Barber, S. (1952). Nuvoletta, op. 25: For voice and piano. G. Schirmer.
Chicago Style aipamenaBarber, Samuel. Nuvoletta, Op. 25: For Voice and Piano. New York: G. Schirmer, 1952.
MLA aipamenaBarber, Samuel. Nuvoletta, Op. 25: For Voice and Piano. G. Schirmer, 1952.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.