APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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