Smith, W. J. (1954). The mystery of Knock. Paulist Press.
Chicago Style aipamenaSmith, William J. The Mystery of Knock. New York: Paulist Press, 1954.
MLA aipamenaSmith, William J. The Mystery of Knock. Paulist Press, 1954.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.