APA aipamena

ConCone, G., & Schirmer's library of musical classics. Fifty lessons for the voice. U.S.A: G. Schirmer, Inc.

Chicago Style aipamena

ConCone, G., và Schirmer's library of musical classics. Fifty Lessons for the Voice. U.S.A: G. Schirmer, Inc.

MLA aipamena

ConCone, G., và Schirmer's library of musical classics. Fifty Lessons for the Voice. U.S.A: G. Schirmer, Inc.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.