एपीए उद्धरण

Lack, T. J. (1984). Environmental protection: Standards, compliance and costs. Ellis Horwood.

शिकागो स्टाइल उद्धरण

Lack, T J. Environmental Protection: Standards, Compliance and Costs. Chichester: Ellis Horwood, 1984.

एमएलए उद्धरण

Lack, T J. Environmental Protection: Standards, Compliance and Costs. Ellis Horwood, 1984.