APA (7th ed.) Zitazioa

Sayer, R. A. (1992). Method in social science: A realist approach (2nd ed.). Routledge.

Chicago Style (17th ed.) Zitazioa

Sayer, R. Andrew. Method in Social Science: A Realist Approach. 2nd ed. London ; New York: Routledge, 1992.

MLA (9th ed.) Zitazioa

Sayer, R. Andrew. Method in Social Science: A Realist Approach. 2nd ed. Routledge, 1992.