Gaya APA

dkk, R, G, A. (1998). Crop Evapotranspiration - Guidelines for Computing CropWater Requirements - FAO Irrigation and Drainage Paper 56 . : .

Gaya MLA

dkk, Richard, G, Allen,. "Crop Evapotranspiration - Guidelines for Computing CropWater Requirements - FAO Irrigation and Drainage Paper 56". : , 1998. Buku.