Newby, H. A., & Popelka, G. R. (1992). Audiology (6th ed.). Prentice Hall.
Chicago Style aipamenaNewby, Hayes A., and Gerald R. Popelka. Audiology. 6th ed. Englewood Cliffs, NJ: Prentice Hall, 1992.
MLA aipamenaNewby, Hayes A., and Gerald R. Popelka. Audiology. 6th ed. Prentice Hall, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.