APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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