Cita APA

Richard L Kohls & Richard L Kohls. (1961). Marketing of agricultureal products (2nd.). New York.

Chicago Edition Citation

Richard L Kohls i Richard L Kohls. Marketing of Agricultureal Products. 2nd. New York, 1961.

Cita MLA

Richard L Kohls i Richard L Kohls. Marketing of Agricultureal Products. 2nd. New York, 1961.

Atenció: Aquestes cites poden no estar 100% correctes.