Rao, s. C. N. (2019). Sociology: Primary principle of sociology (7th.). S.Chand.
芝加哥风格引文Rao, shankar C N. Sociology: Primary Principle of Sociology. 7th. New Delhi: S.Chand, 2019.
MLA引文Rao, shankar C N. Sociology: Primary Principle of Sociology. 7th. S.Chand, 2019.
警告：这些引文格式不一定是100％准确.