APA引文

G.Concone. Fifty lessons for the voice. New Yort: G.Schirmer, Inc.

Trích dẫn kiểu Chicago

G.Concone. Fifty Lessons for the Voice. New Yort: G.Schirmer, Inc.

MLA引文

G.Concone. Fifty Lessons for the Voice. New Yort: G.Schirmer, Inc.

警告：這些引文格式不一定是100％准確.