Blalock, H. M. (1964). Causal inferences in Nonexperimental research (2a. ed.). Chapel Hill: The University of North Carolina Press.
Chicago Style CitationBlalock, Hubert M. Causal Inferences in Nonexperimental Research. 2a. ed. Chapel Hill: The University of North Carolina Press, 1964.
MLA CitationBlalock, Hubert M. Causal Inferences in Nonexperimental Research. 2a. ed. Chapel Hill: The University of North Carolina Press, 1964.
Warning: These citations may not always be 100% accurate.