Cita APA (7th ed.)

Miller, K. E. (1990). Principles of singing: A textbook for voice class or studio (2nd ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Miller, Kenneth E. Principles of Singing: A Textbook for Voice Class or Studio. 2nd ed. Englewood Cliffs, N.J: Prentice-Hall, 1990.

Cita MLA (9th ed.)

Miller, Kenneth E. Principles of Singing: A Textbook for Voice Class or Studio. 2nd ed. Prentice-Hall, 1990.