APA-Zitierstil (7. Ausg.)

Schmidt, J. (1989). Basics of singing (2nd ed.). Schirmer Books.

Chicago-Zitierstil (17. Ausg.)

Schmidt, Jan. Basics of Singing. 2nd ed. New York: Schirmer Books, 1989.

MLA-Zitierstil (9. Ausg.)

Schmidt, Jan. Basics of Singing. 2nd ed. Schirmer Books, 1989.