APA-referens (7:e uppl.)

Abbott, J., Makeham, J. P., & Payne, W. J. A. (1979). Agricultural economics and marketing in the tropics. Longman.

Chicago-referens (17:e uppl.)

Abbott, J.C, J. P. Makeham, och W. J. A. Payne. Agricultural Economics and Marketing in the Tropics. London: Longman, 1979.

MLA-referens (9:e uppl.)

Abbott, J.C, et al. Agricultural Economics and Marketing in the Tropics. Longman, 1979.