Fieldson, R. S. (1981). Farm labour input in the dry zone. Agrarian Research and Training Institute.
Chicago (17e ed.) BronvermeldingFieldson, R. S. Farm Labour Input in the Dry Zone. Colombo: Agrarian Research and Training Institute, 1981.
MLA (9e ed.) BronvermeldingFieldson, R. S. Farm Labour Input in the Dry Zone. Agrarian Research and Training Institute, 1981.
Let op: Deze citaties zijn niet altijd 100% accuraat.