APA aipamena

Beri, G. C. (1993). Marketing research (Second edition.). Tata McGraw-Hill.

Chicago Style aipamena

Beri, G. C. Marketing Research. Second edition. New Delhi: Tata McGraw-Hill, 1993.

MLA aipamena

Beri, G. C. Marketing Research. Second edition. Tata McGraw-Hill, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.