APA-referens (7:e uppl.)

Hobson, A. e. (2001). The Oxford dictionary of difficult words. O.U.P.

Chicago-referens (17:e uppl.)

Hobson, Archie ed. The Oxford Dictionary of Difficult Words. New York: O.U.P, 2001.

MLA-referens (9:e uppl.)

Hobson, Archie ed. The Oxford Dictionary of Difficult Words. O.U.P, 2001.