एपीए उद्धरण

Chopra, O. (1985). Tax Ethics, Unaccounted Income: Some Tax Reforms. Inter-India Publications.

शिकागो स्टाइल उद्धरण

Chopra, O.P. Tax Ethics, Unaccounted Income: Some Tax Reforms. New Delhi: Inter-India Publications, 1985.

एमएलए उद्धरण

Chopra, O.P. Tax Ethics, Unaccounted Income: Some Tax Reforms. Inter-India Publications, 1985.