APA استشهاد

Sethna, B. N. (1984). Reserach methods in marketing and management. Groneeveld.

استشهاد بنمط شيكاغو

Sethna, Beheruz N. Reserach Methods in Marketing and Management. Leenard: Groneeveld, 1984.

MLA استشهاد

Sethna, Beheruz N. Reserach Methods in Marketing and Management. Groneeveld, 1984.