Sayer, A. (1937). Method in social science: A realist approach. Routledge.
Chicago Style (17. basım) AtıfSayer, Andrew. Method in Social Science: A Realist Approach. London: Routledge, 1937.
MLA (9th ed.) AtıfSayer, Andrew. Method in Social Science: A Realist Approach. Routledge, 1937.
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