Beins, B. C. (2019). Research Methods (4th.). Cambridge University Press.
Chicago (17e ed.) BronvermeldingBeins, Bernard C. Research Methods. 4th. Cambridge University Press, 2019.
MLA (9e ed.) BronvermeldingBeins, Bernard C. Research Methods. 4th. Cambridge University Press, 2019.
Let op: Deze citaties zijn niet altijd 100% accuraat.