Sufian, A. J. M. (1998). Methods and techniques of social research. University Press.
Čikaški stil citiranja (17. izdanje)Sufian, Abu Jafar Mohammad. Methods and Techniques of Social Research. Dhaka: University Press, 1998.
MLA način citiranja (8. izdanje)Sufian, Abu Jafar Mohammad. Methods and Techniques of Social Research. University Press, 1998.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.