Cita APA

Hutchinson, T. (1992). Hotline pre-intermediate: Workbook. Oxford University.

Citación estilo Chicago

Hutchinson, Tom. Hotline Pre-intermediate: Workbook. New York: Oxford University, 1992.

Cita MLA

Hutchinson, Tom. Hotline Pre-intermediate: Workbook. New York: Oxford University, 1992.