Beri, G. C. (1993). Marketing research (Second edition.). Tata McGraw-Hill.
Citación estilo ChicagoBeri, G. C. Marketing Research. Second edition. New Delhi: Tata McGraw-Hill, 1993.
Cita MLABeri, G. C. Marketing Research. Second edition. Tata McGraw-Hill, 1993.
Warning: These citations may not always be 100% accurate.