APA-referens (7:e uppl.)

Gassner, J. (1964). O`nell: A collection of critical essays. Prentice Hall.

Chicago-referens (17:e uppl.)

Gassner, John. O`nell: A Collection of Critical Essays. New yark: Prentice Hall, 1964.

MLA-referens (9:e uppl.)

Gassner, John. O`nell: A Collection of Critical Essays. Prentice Hall, 1964.