Παραπομπή APA

Joseph, K., & Williams, C. (1970). Climate, soil and crop production in the humid tropics. Oxford university press.

Παραπομπή Chicago Style

Joseph, K.T, και C.N Williams. Climate, Soil and Crop Production in the Humid Tropics. Kualalumpur: Oxford university press, 1970.

Παραπομπή MLA

Joseph, K.T, και C.N Williams. Climate, Soil and Crop Production in the Humid Tropics. Oxford university press, 1970.