Cita APA (7th ed.)

Newby, H. A., & Popelka, G. R. (1992). Audiology (6th ed.). Prentice Hall.

Cita Chicago (17th ed.)

Newby, Hayes A., i Gerald R. Popelka. Audiology. 6th ed. Englewood Cliffs, NJ: Prentice Hall, 1992.

Cita MLA (9th ed.)

Newby, Hayes A., i Gerald R. Popelka. Audiology. 6th ed. Prentice Hall, 1992.