APA aipamena

Morgan, S. L., & Winship, C. (2015). Counterfactuals and causal inference: Methods and principles for social research (2nd ed.). Cambridge University Press.

Chicago Style aipamena

Morgan, Stephen L., and Christopher Winship. Counterfactuals and Causal Inference: Methods and Principles for Social Research. 2nd ed. New York: Cambridge University Press, 2015.

MLA aipamena

Morgan, Stephen L., and Christopher Winship. Counterfactuals and Causal Inference: Methods and Principles for Social Research. 2nd ed. Cambridge University Press, 2015.