Appelman, D. R. (1986). The science of vocal pedagogy: Theory and application (1st Midland book ed.). Indiana University Press.
芝加哥风格引文Appelman, D. Ralph. The Science of Vocal Pedagogy: Theory and Application. 1st Midland book ed. Bloomington: Indiana University Press, 1986.
MLA引文Appelman, D. Ralph. The Science of Vocal Pedagogy: Theory and Application. 1st Midland book ed. Indiana University Press, 1986.
警告：这些引文格式不一定是100％准确.