Não informado. (1968). Food Research Institute studies in agricultural economics, trade and development. Stanford University.
Chicago (17e ed.) BronvermeldingNão informado. Food Research Institute Studies in Agricultural Economics, Trade and Development. Stanford, Conn: Stanford University, 1968.
MLA (8e ed.) BronvermeldingNão informado. Food Research Institute Studies in Agricultural Economics, Trade and Development. Stanford University, 1968.
Let op: Deze citaties zijn niet altijd 100% accuraat.