Irala, N. (1954). Achieving peace of heart. F. Wagner.
Chicago Style aipamenaIrala, Narciso. Achieving Peace of Heart. New York: F. Wagner, 1954.
MLA aipamenaIrala, Narciso. Achieving Peace of Heart. F. Wagner, 1954.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.