APA استشهاد

Ferber, R. (1974). Handbook of marketing research. McGraw-Hill.

استشهاد بنمط شيكاغو

Ferber, Robert. Handbook of Marketing Research. New Delhi: McGraw-Hill, 1974.

MLA استشهاد

Ferber, Robert. Handbook of Marketing Research. McGraw-Hill, 1974.