APA citiranje

Trimmer, J. F. (1998). Writing with a purpose (12th ed.). Boston: Houghton Mifflin.

Trích dẫn kiểu Chicago

Trimmer, Joseph F. Writing With a Purpose. 12th ed. Boston: Houghton Mifflin, 1998.

MLA citiranje

Trimmer, Joseph F. Writing With a Purpose. 12th ed. Boston: Houghton Mifflin, 1998.