APA-referens (7:e uppl.)

Viney P. Peter & Viney K. Karen. (2006). In English. Pre-Intermediate: Student's Book. New York, Oxford University Press, 2006.

Chicago-referens (17:e uppl.)

Viney P. Peter och Viney K. Karen. In English. Pre-Intermediate: Student's Book. New York, Oxford University Press, 2006, 2006.

MLA-referens (9:e uppl.)

Viney P. Peter och Viney K. Karen. In English. Pre-Intermediate: Student's Book. New York, Oxford University Press, 2006, 2006.