Kohls, R. L. (1967). Marketing of Agricultural products (3rd ed.). Collier- Macmillan.
Chicago Style (17th ed.) CitationKohls, Richard L. Marketing of Agricultural Products. 3rd ed. London: Collier- Macmillan, 1967.
ציטוט MLAKohls, Richard L. Marketing of Agricultural Products. 3rd ed. Collier- Macmillan, 1967.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.