Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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