Gaya APA

Debertin, D, L. (1986). Agricultural Production Economics (1 ( Pertama )). United States of America: Macmillan Publ.Co..

Gaya MLA

Debertin, David, L.. "Agricultural Production Economics". 1 ( Pertama ) United States of America: Macmillan Publ.Co., 1986. Textbook.