DAUGHERTY, R. (1974). Science in geography 2: Data collection. Oxford University Press.
Chicago (17e ed.) BronvermeldingDAUGHERTY, Richard. Science in Geography 2: Data Collection. Oxford: Oxford University Press, 1974.
MLA (9e ed.) BronvermeldingDAUGHERTY, Richard. Science in Geography 2: Data Collection. Oxford University Press, 1974.
Let op: Deze citaties zijn niet altijd 100% accuraat.