APA引文

Sadhu, A., & Singh, A. (1980). Research methodology in social sciences.

Chicago Edition Citation

Sadhu, A.N, and Amarjit Singh. Research Methodology in Social Sciences. 1980.

MLA引文

Sadhu, A.N, and Amarjit Singh. Research Methodology in Social Sciences. 1980.

警告：这些引文格式不一定是100％准确.