Lua APA (7ú heag.)

Purushottam, P. (2006). A VAT on works contract (1st.). Snow White Publishers.

Lua i Stíl Chicago (17ú heag.)

Purushottam, P. A VAT on Works Contract. 1st. New Delhi: Snow White Publishers, 2006.

Lua MLA (9ú heag.)

Purushottam, P. A VAT on Works Contract. 1st. Snow White Publishers, 2006.

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