APA-referens (7:e uppl.)

O'Donovan, M. (1969). A set of variations: Twenty-seven stories. Knopf.

Chicago-referens (17:e uppl.)

O'Donovan, Michael. A Set of Variations: Twenty-seven Stories. New York: Knopf, 1969.

MLA-referens (9:e uppl.)

O'Donovan, Michael. A Set of Variations: Twenty-seven Stories. Knopf, 1969.