Schubert, F. P., Walters, R., Gerhart, M., Spiegelman, I., & Ward, L. (2008). 15 selected songs: High voice. Hal Leonard.
Chicagoスタイル(17版)引用形式Schubert, Franz Peter, Richard Walters, Martha Gerhart, Irene Spiegelman, , Lura Ward. 15 Selected Songs: High Voice. Milwaukee, Wis: Hal Leonard, 2008.
MLA(9版)引用形式Schubert, Franz Peter, et al. 15 Selected Songs: High Voice. Hal Leonard, 2008.
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