LUTGEN, B. (1902). Die kunst der kehlfertigkeit studies in velocity vol 1 twenty daily exercises for high, medium and low voice. G. Schirmer. Inc.
Chicago Style (17th ed.) CitationLUTGEN, B. Die Kunst Der Kehlfertigkeit Studies in Velocity Vol 1 Twenty Daily Exercises for High, Medium and Low Voice. G. Schirmer. Inc, 1902.
MLA (8th ed.) CitationLUTGEN, B. Die Kunst Der Kehlfertigkeit Studies in Velocity Vol 1 Twenty Daily Exercises for High, Medium and Low Voice. G. Schirmer. Inc, 1902.
Warning: These citations may not always be 100% accurate.