APA (7th ed.) Zitazioa
Sufian, A. J. M. (1998). Methods and techniques of social research. University Press.
Chicago Style (17th ed.) Zitazioa
Sufian, Abu Jafar Mohammad. Methods and Techniques of Social Research. Dhaka: University Press, 1998.
MLA (9th ed.) Zitazioa
Sufian, Abu Jafar Mohammad. Methods and Techniques of Social Research. University Press, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.