Não informado. (1980). Applied Geography and Development. Institute for Scientific Co-operation.
Chicago (17e ed.) BronvermeldingNão informado. Applied Geography and Development. Tubingen, Alemanha: Institute for Scientific Co-operation, 1980.
MLA (8e ed.) BronvermeldingNão informado. Applied Geography and Development. Institute for Scientific Co-operation, 1980.
Let op: Deze citaties zijn niet altijd 100% accuraat.