Dyfyniad APA

Luck, D. a. (1978). Marketing research (5th ed.). Prentice Hall of India.

Dyfyniad Arddull Chicago

Luck, D.J...[et al.]. Marketing Research. 5th ed. New Jersey: Prentice Hall of India, 1978.

Dyfyniad MLA

Luck, D.J...[et al.]. Marketing Research. 5th ed. Prentice Hall of India, 1978.

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