Sufian, A. J. M. (1998). Methods and techniques of social research. University Press.
Citazione stile Chigago Style (17a edizione)Sufian, Abu Jafar Mohammad. Methods and Techniques of Social Research. Dhaka: University Press, 1998.
Citatione MLA (8a ed.)Sufian, Abu Jafar Mohammad. Methods and Techniques of Social Research. University Press, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.