APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：这些引文格式不一定是100％准确.