Kohls, R. L. (1964). Marketing of agricultural products (2nd ed.).
Čikaški stil citiranjaKohls, Richard L. Marketing of Agricultural Products. 2nd ed. 1964.
MLA način citiranjaKohls, Richard L. Marketing of Agricultural Products. 2nd ed. 1964.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.