Sufian, A. J. M. (2009). Methods and techniques of social research (Second edition[rev. and updated].). University Press.
芝加哥风格引文Sufian, Abu Jafar Mohammad. Methods and Techniques of Social Research. Second edition[rev. and updated]. Dhaka: University Press, 2009.
MLA引文Sufian, Abu Jafar Mohammad. Methods and Techniques of Social Research. Second edition[rev. and updated]. University Press, 2009.
警告：这些引文格式不一定是100％准确.