एपीए उद्धरण

Nigam, B. L., & Sharma, G. (1981). Practical costing. Himalaya Publishing House.

शिकागो स्टाइल उद्धरण

Nigam, B.M. Lall, और G.L Sharma. Practical Costing. Bombay: Himalaya Publishing House, 1981.

एमएलए उद्धरण

Nigam, B.M. Lall, और G.L Sharma. Practical Costing. Himalaya Publishing House, 1981.