Skerman, P. J., & Riveros, F. (1977). Tropical forage legumes. Food and Agriculture Organization of the United Nations.
Chicago (17e ed.) BronvermeldingSkerman, P. J., en Fernando Riveros. Tropical Forage Legumes. Rome: Food and Agriculture Organization of the United Nations, 1977.
MLA (9e ed.) BronvermeldingSkerman, P. J., en Fernando Riveros. Tropical Forage Legumes. Food and Agriculture Organization of the United Nations, 1977.
Let op: Deze citaties zijn niet altijd 100% accuraat.