Gupta,C.B. (2014). Business Studies-XII (7.). Tata McGraw Hill.
Chicago-čujuhus (17. p.)Gupta,C.B. Business Studies-XII. 7. New Delhi: Tata McGraw Hill, 2014.
MLA-čujuhus (9. p.)Gupta,C.B. Business Studies-XII. 7. Tata McGraw Hill, 2014.
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