Humphreys, L. R. (1987). Tropical pastures and fodder crops. New York: Wiley.
Trích dẫn kiểu ChicagoHumphreys, L. R. Tropical Pastures and Fodder Crops. New York: Wiley, 1987.
MLA引文Humphreys, L. R. Tropical Pastures and Fodder Crops. New York: Wiley, 1987.
警告:这些引文格式不一定是100%准确.