Clawson, M., Landsberg, H. H., & Alexander, L. T. (1971). The agricultural potential of the Middle East. By Marion Clawson, Hans H. Landsberg and Lyle T. Alexander. American Elsevier Pub, Co..
Chicago Style (17. basım) AtıfClawson, Marion, Hans H. Landsberg, ve Lyle T. Alexander. The Agricultural Potential of the Middle East. By Marion Clawson, Hans H. Landsberg and Lyle T. Alexander. New York: American Elsevier Pub, Co., 1971.
MLA (9th ed.) AtıfClawson, Marion, et al. The Agricultural Potential of the Middle East. By Marion Clawson, Hans H. Landsberg and Lyle T. Alexander. American Elsevier Pub, Co., 1971.
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