Gupta, R. R. (1980). Income - Tax Law and Practice. Agra Book Store.
芝加哥风格引文Gupta, Rup Ram. Income - Tax Law and Practice. Agra: Agra Book Store, 1980.
MLA引文Gupta, Rup Ram. Income - Tax Law and Practice. Agra Book Store, 1980.
警告：这些引文格式不一定是100％准确.
APA引文