Dyfyniad APA

Luck, D. (1987). Marketing Research (7th.). Prentice Hall of India.

Dyfyniad Arddull Chicago

Luck, David. Marketing Research. 7th. New Delhi: Prentice Hall of India, 1987.

Dyfyniad MLA

Luck, David. Marketing Research. 7th. Prentice Hall of India, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.