APA সাইটেশন

Bernard, H. R. . .. (2013). Social research methods: Qualitative and quantitative approaches (2nd ed.). Sage.

শিকাগো স্টাইলে সাইটেশন

Bernard, H Russell. Social Research Methods: Qualitative and Quantitative Approaches. 2nd ed. London: Sage, 2013.

এমএলএ সাইটেশন

Bernard, H Russell. Social Research Methods: Qualitative and Quantitative Approaches. 2nd ed. Sage, 2013.