(1991). Vocal health and science: A compilation of articles from the NATS bulletin and the NATS journal ; in honor of Van L. Lawrence, MD (1928 - 1990). National Assoc. of Teachers of Singing.
Chicago-Zitierstil (17. Ausg.)Vocal Health and Science: A Compilation of Articles from the NATS Bulletin and the NATS Journal ; in Honor of Van L. Lawrence, MD (1928 - 1990). Jacksonville, FL: National Assoc. of Teachers of Singing, 1991.
MLA-Zitierstil (9. Ausg.)Vocal Health and Science: A Compilation of Articles from the NATS Bulletin and the NATS Journal ; in Honor of Van L. Lawrence, MD (1928 - 1990). National Assoc. of Teachers of Singing, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.