APA-referens (7:e uppl.)

Keeffe, B. (1984). The long Good Friday: A screenplay. Methuen Film.

Chicago-referens (17:e uppl.)

Keeffe, Barrie. The Long Good Friday: A Screenplay. London: Methuen Film, 1984.

MLA-referens (9:e uppl.)

Keeffe, Barrie. The Long Good Friday: A Screenplay. Methuen Film, 1984.