एपीए उद्धरण

Retherford, R. D., & Choe,Minja Kim. (1993). Statistical models for causal analysis. John Wiley &Sons.

शिकागो स्टाइल उद्धरण

Retherford, Robert D., और Choe,Minja Kim. Statistical Models for Causal Analysis. New York: John Wiley &Sons, 1993.

एमएलए उद्धरण

Retherford, Robert D., और Choe,Minja Kim. Statistical Models for Causal Analysis. John Wiley &Sons, 1993.