एपीए उद्धरण

Gupta, N. D. (1997). Environment accounting. Wheeler publishing.

शिकागो स्टाइल उद्धरण

Gupta, N. Das. Environment Accounting. New Delhi: Wheeler publishing, 1997.

एमएलए उद्धरण

Gupta, N. Das. Environment Accounting. Wheeler publishing, 1997.