Kohls, R. (2002). Marketing of agricultura; products (9th.). Prentice Hall.
Chicagoスタイル(17版)引用形式Kohls, Rochard. Marketing of Agricultura; Products. 9th. New Delhi: Prentice Hall, 2002.
MLA(9版)引用形式Kohls, Rochard. Marketing of Agricultura; Products. 9th. Prentice Hall, 2002.
警告: この引用は必ずしも正確ではありません.