Updike, J. (1981). Problems and other stories: John Updike. Fawcett Crest.
Lua i Stíl Chicago (17ú heag.)Updike, John. Problems and Other Stories: John Updike. New York: Fawcett Crest, 1981.
Lua MLA (8ú heag.)Updike, John. Problems and Other Stories: John Updike. Fawcett Crest, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.