Sharma, D. (1999). marketing research, principles, Applications and cases (2nd.). Sultan Chand & Sons.
Chicago Style (17. basım) AtıfSharma, D. Marketing Research, Principles, Applications and Cases. 2nd. New Delhi: Sultan Chand & Sons, 1999.
MLA (9th ed.) AtıfSharma, D. Marketing Research, Principles, Applications and Cases. 2nd. Sultan Chand & Sons, 1999.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..