Cita APA (7th ed.)

Viney P. Peter & Viney K. Karen. (2004). In English. Elementary: Student's Book. New York, Oxford University Press, 2004.

Cita Chicago (17th ed.)

Viney P. Peter i Viney K. Karen. In English. Elementary: Student's Book. New York, Oxford University Press, 2004, 2004.

Cita MLA (9th ed.)

Viney P. Peter i Viney K. Karen. In English. Elementary: Student's Book. New York, Oxford University Press, 2004, 2004.