APA استشهاد

Groeneveld, L., & Sethna, B. N. (1984). Research methods in marketing and management.

استشهاد بنمط شيكاغو

Groeneveld, Leonard, و Beheruz N. Sethna. Research Methods in Marketing and Management. New Delhi, Tata M C Graw Hill, 1984.

MLA استشهاد

Groeneveld, Leonard, و Beheruz N. Sethna. Research Methods in Marketing and Management. 1984.