John Updike. (2007). Due considerations: Essays and criticism. Alfred A Knopf.
Chicago Style aipamenaJohn Updike. Due Considerations: Essays and Criticism. New York: Alfred A Knopf, 2007.
MLA aipamenaJohn Updike. Due Considerations: Essays and Criticism. Alfred A Knopf, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.