Beri, G. C. (1989). Marketing research: Text and cases. Tata Mcgraw-hill.
芝加哥风格引文Beri, G. C. Marketing Research: Text and Cases. New Delhi: Tata Mcgraw-hill, 1989.
MLA引文Beri, G. C. Marketing Research: Text and Cases. Tata Mcgraw-hill, 1989.
警告：这些引文格式不一定是100％准确.