Guide :

• Using the apostrophe of possession." (bristol.ac.uk)

• Punctuation : Guide to Punctuation (informatics.susx.ac.uk)
  (Larry Trask - School of Cognitive & Computing Sciences - University of Sussex)

Pictures :

• Pictures (jcmc.indiana.edu)
  
  

• Punctuation personified: or, pointing made easy, by Mr. Stops (The British Library)
  
  
  

• A face using punctuation marks (University of Texas)
  
  

Vocabulary :

• Symbol names - Audio + Transcript
  ex : How to read the word '@' used in the email address?
  (BBC)

• Learn your English alphabet : Common symbols (full stop - comma - question mark... ) - (learnenglish.de)
  
  
  
• Punctuation - Les mots s'affichent quand on passe la souris sur les images. - avec son
  (languageguide.org)

• Summary of Punctuation Marks (world-english.org)

• Punctuation - 20 words (vocabulary.englishclub.com)

Interactive exercises :

• Using the apostrophe 1 - interactive quiz
  "In each question, only one of the sentences has all the apostrophes correctly placed."
  + Quiz 2
  "Find out more about using the apostrophe of possession."
  (bristol.ac.uk)

• Apostrophes - interactive quiz - 6 questions (BBC)
  
  

• Keyboard Symbols and Punctuation Marks - interactive exercise (a4esl.org)
  

• GRAMMAR GAMES (British Council) - Commas, etc.

Exercises TO PRINT :

• Activity: Punctuation Emphasis (learnwhatsup.com)

  Click on the picture

  
  
  

INTERACTIVE games :

• Eats, Shoots and Leaves - Punctuation game - interactive
  Place of the apostrophe
  (savethecomma.com)

BOOKS :

• Eats, Shoots & Leaves: The Zero Tolerance Approach to Punctuation
    "is a non-fiction book written by Lynne Truss, the former host of the BBC Radio 4's Cutting a Dash programme. In the book, published in 2003,
  Truss bemoans the state of punctuation in the United Kingdom and the United States, and describes how rules are being relaxed in today's society.
  Her goal is to remind readers of the importance of punctuation in the English language by mixing humour and instruction."