Tohutoro APA (7th ed.)

Beri, G. C. (1989). Marketing research: Text and cases. Tata Mcgraw-hill.

Tohutoru Kātū Chicago (17th ed.)

Beri, G. C. Marketing Research: Text and Cases. New Delhi: Tata Mcgraw-hill, 1989.

Tohutoro MLA (9th ed.)

Beri, G. C. Marketing Research: Text and Cases. Tata Mcgraw-hill, 1989.