APA استشهاد

Sharma, D. (1988). Marketing research: Principles applications and cases. S.chand.

استشهاد بنمط شيكاغو

Sharma, D.D. Marketing Research: Principles Applications and Cases. New Delhi: S.chand, 1988.

MLA استشهاد

Sharma, D.D. Marketing Research: Principles Applications and Cases. S.chand, 1988.