एपीए उद्धरण

Chapman, S. (1998). Environmental law and policy. New Jersey: Prentice-Hall.

शिकागो स्टाइल उद्धरण

Chapman, Stephen. Environmental Law and Policy. New Jersey: Prentice-Hall, 1998.

एमएलए उद्धरण

Chapman, Stephen. Environmental Law and Policy. New Jersey: Prentice-Hall, 1998.