Gupta, R. L. (2015). Advanced Accountancy (13th.). Sultan Chand & Sons.
Lua i Stíl Chicago (17ú heag.)Gupta, R L. Advanced Accountancy. 13th. New Delhi: Sultan Chand & Sons, 2015.
Lua MLA (9ú heag.)Gupta, R L. Advanced Accountancy. 13th. Sultan Chand & Sons, 2015.
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