एपीए उद्धरण

Kohls, R. L. (2002). Marketing of agricultural products. Upper Saddle River, NJ: Prentice Hall.

शिकागो स्टाइल उद्धरण

Kohls, Richard L. Marketing of Agricultural Products. Upper Saddle River, NJ: Prentice Hall, 2002.

एमएलए उद्धरण

Kohls, Richard L. Marketing of Agricultural Products. Upper Saddle River, NJ: Prentice Hall, 2002.