Lua APA (7ú heag.)
Sayer, R. A. (1992). Method in social science: A realist approach (2nd ed.). Routledge.
Lua i Stíl Chicago (17ú heag.)
Sayer, R. Andrew. Method in Social Science: A Realist Approach. 2nd ed. London ; New York: Routledge, 1992.
Lua MLA (9ú heag.)
Sayer, R. Andrew. Method in Social Science: A Realist Approach. 2nd ed. Routledge, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.