Não informado. (1981). Fruit outlook and situation. U.S. Department of Agriculture, Economic Research Service.
Chicago (17e ed.) BronvermeldingNão informado. Fruit Outlook and Situation. Washington: U.S. Department of Agriculture, Economic Research Service, 1981.
MLA (8e ed.) BronvermeldingNão informado. Fruit Outlook and Situation. U.S. Department of Agriculture, Economic Research Service, 1981.
Let op: Deze citaties zijn niet altijd 100% accuraat.