APA-referens (7:e uppl.)

Hefferman, J. A. (1986). Writing: A college handbook (2nd ed.). W.W.Norton & co..

Chicago-referens (17:e uppl.)

Hefferman, James A.W. Writing: A College Handbook. 2nd ed. New York: W.W.Norton & co., 1986.

MLA-referens (9:e uppl.)

Hefferman, James A.W. Writing: A College Handbook. 2nd ed. W.W.Norton & co., 1986.