Retherford, R. D., & Choe,Minja Kim. (1993). Statistical models for causal analysis. John Wiley &Sons.
Chicago Style citaatRetherford, Robert D., en Choe,Minja Kim. Statistical Models for Causal Analysis. New York: John Wiley &Sons, 1993.
MLA citatieRetherford, Robert D., en Choe,Minja Kim. Statistical Models for Causal Analysis. John Wiley &Sons, 1993.
Let op: Deze citaties zijn niet altijd 100% accuraat.