APA-viite (7. p.)

Hadfield Ch. Charles & Hadfield J. Jill. (2004). Writing Games. A Collection of Writing Games and Creative Activities for Low Intermediate to Advanced Students of English. Harlow, Longman, 2004.

Chicago-viite (17. p.)

Hadfield Ch. Charles ja Hadfield J. Jill. Writing Games. A Collection of Writing Games and Creative Activities for Low Intermediate to Advanced Students of English. Harlow, Longman, 2004, 2004.

MLA-viite (9. p.)

Hadfield Ch. Charles ja Hadfield J. Jill. Writing Games. A Collection of Writing Games and Creative Activities for Low Intermediate to Advanced Students of English. Harlow, Longman, 2004, 2004.