Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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