Cita APA (7th ed.)

Sufian, A. J. M. (1998). Methods and techniques of social research. University Press.

Cita Chicago (17th ed.)

Sufian, Abu Jafar Mohammad. Methods and Techniques of Social Research. Dhaka: University Press, 1998.

Cita MLA (8th ed.)

Sufian, Abu Jafar Mohammad. Methods and Techniques of Social Research. University Press, 1998.