Clawson, M., Landsberg, H. H., & Alexander, L. T. (1971). The agricultural potential of the Middle East. American Elsevier Pub. Co..
Citación estilo ChicagoClawson, Marion, Hans H. Landsberg, and Lyle T. Alexander. The Agricultural Potential of the Middle East. New York: American Elsevier Pub. Co., 1971.
Cita MLAClawson, Marion, et al. The Agricultural Potential of the Middle East. American Elsevier Pub. Co., 1971.