APA
Newby H. A. . P. G. R., . (1972). Audiology. : Prentice-Hall Inc.
Chicago
Newby Hayes A Popelka Gerald R, . 1972. Audiology. : Prentice-Hall Inc.
Harvard
Newby H. A. . P. G. R., . (1972). Audiology. : Prentice-Hall Inc.
MLA
Newby Hayes A Popelka Gerald R, . Audiology. : Prentice-Hall Inc. 1972.
