Lua APA (7ú heag.)
Chisnal Peter M. (1991). The essence of marketing research. Prentice Hall India.
Lua i Stíl Chicago (17ú heag.)
Chisnal Peter M. The Essence of Marketing Research. New Delhi: Prentice Hall India, 1991.
Lua MLA (9ú heag.)
Chisnal Peter M. The Essence of Marketing Research. Prentice Hall India, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.