Singhania, V. K., & Singhania, M. (2024). Students' Guide to Income Tax & GST | Problems & Solutions (30th ed. 2025-26.). Taxmann.
Lua i Stíl Chicago (17ú heag.)Singhania, Vinod K., agus Monica Singhania. Students' Guide to Income Tax & GST | Problems & Solutions. 30th ed. 2025-26. New Delhi: Taxmann, 2024.
Lua MLA (9ú heag.)Singhania, Vinod K., agus Monica Singhania. Students' Guide to Income Tax & GST | Problems & Solutions. 30th ed. 2025-26. Taxmann, 2024.
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