Cita APA

Hutchinson, T. (1992). Hotline pre-intermediate: Student's book. Oxford Unversity.

Citación estilo Chicago

Hutchinson, Tom. Hotline Pre-intermediate: Student's Book. New York: Oxford Unversity, 1992.

Cita MLA

Hutchinson, Tom. Hotline Pre-intermediate: Student's Book. New York: Oxford Unversity, 1992.