Clawson, M., Landsberg, H. H., & Alexander, L. T. (1971). The agricultural potential of the Middle East. American Elsevier Pub. Co..
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিClawson, Marion, Hans H. Landsberg, এবং Lyle T. Alexander. The Agricultural Potential of the Middle East. New York: American Elsevier Pub. Co., 1971.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিClawson, Marion, et al. The Agricultural Potential of the Middle East. American Elsevier Pub. Co., 1971.