Cita APA (7th ed.)
Chisnal Peter M. (1991). The essence of marketing research. Prentice Hall India.
Cita Chicago (17th ed.)
Chisnal Peter M. The Essence of Marketing Research. New Delhi: Prentice Hall India, 1991.
Cita MLA (9th ed.)
Chisnal Peter M. The Essence of Marketing Research. Prentice Hall India, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.