Παραπομπή APA

Chisnall, P. M. (1991). Essence of marketing research. Prentice hall of India.

Παραπομπή Chicago Style

Chisnall, Peter M. Essence of Marketing Research. New Delhi: Prentice hall of India, 1991.

Παραπομπή MLA

Chisnall, Peter M. Essence of Marketing Research. Prentice hall of India, 1991.