एपीए उद्धरण

Trimmer, J. F. (1988). Writing with a purpose. Boston: Houghton Mifflin.

शिकागो स्टाइल उद्धरण

Trimmer, Joseph F. Writing With a Purpose. Boston: Houghton Mifflin, 1988.

एमएलए उद्धरण

Trimmer, Joseph F. Writing With a Purpose. Boston: Houghton Mifflin, 1988.