Cita APA

Clippinger, D. A. 1. (1933). The Clippinger class-method of voice culture. Bryn Mawr, Pennsylvania: Oliver Ditson Company.

Citación estilo Chicago

Clippinger, David Alva 1860-1938. The Clippinger Class-method of Voice Culture. Bryn Mawr, Pennsylvania: Oliver Ditson Company, 1933.

Cita MLA

Clippinger, David Alva 1860-1938. The Clippinger Class-method of Voice Culture. Bryn Mawr, Pennsylvania: Oliver Ditson Company, 1933.