Newman, J. H., & O'Connell, D. M. (1938). Heart to heart: A Cardinal Newman prayerbook. America Press.
Chicago Style aipamenaNewman, John Henry, and Daniel Michael O'Connell. Heart to Heart: A Cardinal Newman Prayerbook. New York: America Press, 1938.
MLA aipamenaNewman, John Henry, and Daniel Michael O'Connell. Heart to Heart: A Cardinal Newman Prayerbook. America Press, 1938.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.