Kohls, R. (2002). Marketing of agricultura; products (9th.). Prentice Hall.
Chicago Style (17. basım) AtıfKohls, Rochard. Marketing of Agricultura; Products. 9th. New Delhi: Prentice Hall, 2002.
MLA (9th ed.) AtıfKohls, Rochard. Marketing of Agricultura; Products. 9th. Prentice Hall, 2002.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..