Citazione Stile APA (7a Edizione)

Kohls, R. L. (2002). Marketing of agricultural products (9th ed.). Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Kohls, Richard L. Marketing of Agricultural Products. 9th ed. Upper Saddle River, New Jersey: Prentice Hall, 2002.

Citatione MLA (9a ed.)

Kohls, Richard L. Marketing of Agricultural Products. 9th ed. Prentice Hall, 2002.