APA-referens (7:e uppl.)

Sufian, A. J. M. (2009). Methods and techniques of social research (Second edition[rev. and updated].). University Press.

Chicago-referens (17:e uppl.)

Sufian, Abu Jafar Mohammad. Methods and Techniques of Social Research. Second edition[rev. and updated]. Dhaka: University Press, 2009.

MLA-referens (8:e uppl.)

Sufian, Abu Jafar Mohammad. Methods and Techniques of Social Research. Second edition[rev. and updated]. University Press, 2009.

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