Gaya APA

Luing, R, A., P, I, , , I, M, W. (1972). The Farm management Handbook . Illinois: The Interstae Printers and Publihers, INC.

Gaya MLA

Luing, Robert, A., P, I.j, , , II., Mortenson,, William. "The Farm management Handbook". Illinois: The Interstae Printers and Publihers, INC, 1972. Text.