Παραπομπή APA

Choudhary, P., Elliott, R., & Toop, A. (1982). Successful sales promotion. Orient longman.

Παραπομπή Chicago Style

Choudhary, Pran, Ricky Elliott, και Allan Toop. Successful Sales Promotion. India: Orient longman, 1982.

Παραπομπή MLA

Choudhary, Pran, et al. Successful Sales Promotion. Orient longman, 1982.