Russell, G. O. (1931). Speech and voice: With X-rays of English, French, German, Italian, Spanish, Soprano, Tenor, and Baritone subjects. Macmillan.
Chicago-Zitierstil (17. Ausg.)Russell, George Oscar. Speech and Voice: With X-rays of English, French, German, Italian, Spanish, Soprano, Tenor, and Baritone Subjects. New York: Macmillan, 1931.
MLA-Zitierstil (9. Ausg.)Russell, George Oscar. Speech and Voice: With X-rays of English, French, German, Italian, Spanish, Soprano, Tenor, and Baritone Subjects. Macmillan, 1931.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.