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 (9th ed.)
Sufian, Abu Jafar Mohammad. Methods and Techniques of Social Research. University Press, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.