APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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