McCrimmon, J. M. (1957). Writing with a purpose: A first course in college composition (2nd ed.). Houghton Mifflin.
Chicago-referens (17:e uppl.)McCrimmon, James McNab. Writing with a Purpose: A First Course in College Composition. 2nd ed. Boston: Houghton Mifflin, 1957.
MLA-referens (9:e uppl.)McCrimmon, James McNab. Writing with a Purpose: A First Course in College Composition. 2nd ed. Houghton Mifflin, 1957.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.