APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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