Das, P. L. Advanced social research methodology (4th.). Shree Jaynarayan.
芝加哥风格引文Das, Prabhakar Lal. Advanced Social Research Methodology. 4th. Rajbiraj: Shree Jaynarayan.
MLA引文Das, Prabhakar Lal. Advanced Social Research Methodology. 4th. Shree Jaynarayan.
警告：这些引文格式不一定是100％准确.