Singh, K. (2007). Quantitative social research methods. Sage Publications.
Chicago (17e ed.) BronvermeldingSingh, Kultar. Quantitative Social Research Methods. Los Angeles: Sage Publications, 2007.
MLA (8e ed.) BronvermeldingSingh, Kultar. Quantitative Social Research Methods. Sage Publications, 2007.
Let op: Deze citaties zijn niet altijd 100% accuraat.