Beri, G. C. (1989). Marketing research: Text and cases. Tata Mcgraw-hill.
Chicagoスタイル(17版)引用形式Beri, G. C. Marketing Research: Text and Cases. New Delhi: Tata Mcgraw-hill, 1989.
MLA(9版)引用形式Beri, G. C. Marketing Research: Text and Cases. Tata Mcgraw-hill, 1989.
警告: この引用は必ずしも正確ではありません.