Cita APA

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

Chicago Style Citation

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.

Atenció: Aquestes cites poden no estar 100% correctes.