(1992). 150 rounds for singing and teaching. Stanford, Calif.: Wooloowin.
Trích dẫn kiểu Chicago150 Rounds for Singing and Teaching. Stanford, Calif.: Wooloowin, 1992.
MLA citiranje150 Rounds for Singing and Teaching. Stanford, Calif.: Wooloowin, 1992.
Opozorilo: Ti citati niso vedno 100% točni.