Beri, G. C. (1993). Marketing research (Second edition.). Tata McGraw-Hill.
Chicago Style (17th ed.) CitationBeri, G. C. Marketing Research. Second edition. New Delhi: Tata McGraw-Hill, 1993.
ציטוט MLABeri, G. C. Marketing Research. Second edition. Tata McGraw-Hill, 1993.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.