APA استشهاد

Chapman, R. W. (1973). Marketing today (2nd.). International textbook company.

استشهاد بنمط شيكاغو

Chapman, R. W. Marketing Today. 2nd. Bucks: International textbook company, 1973.

MLA استشهاد

Chapman, R. W. Marketing Today. 2nd. International textbook company, 1973.