Cita APA

H J Sachs. (1978). Practical English workbook. New York: D. Van Nostrand.

Citación estilo Chicago

H J Sachs. Practical English Workbook. New York: D. Van Nostrand, 1978.

Cita MLA

H J Sachs. Practical English Workbook. New York: D. Van Nostrand, 1978.