Gupta, R. R. (1980). Income - Tax Law and Practice. Agra Book Store.
Chicago-čujuhus (17. p.)Gupta, Rup Ram. Income - Tax Law and Practice. Agra: Agra Book Store, 1980.
MLA-čujuhus (9. p.)Gupta, Rup Ram. Income - Tax Law and Practice. Agra Book Store, 1980.
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