Gaya APA

Kohls, Richard L.. (1980). Marketing of agricultural products (text). New York: Macmillan.

Gaya Chicago

Kohls, Richard L.. Marketing of agricultural products. text New York: Macmillan, 1980. .

Gaya MLA

Kohls, Richard L.. Marketing of agricultural products. text New York: Macmillan, 1980. .

Gaya Turabian

Kohls, Richard L.. Marketing of agricultural products. text New York: Macmillan, 1980. .