APA
(1968). Hearing Status and Ear Examination. : U.S. Department of Health Education and Welfare.
Chicago
1968. Hearing Status and Ear Examination. : U.S. Department of Health Education and Welfare.
Harvard
(1968). Hearing Status and Ear Examination. : U.S. Department of Health Education and Welfare.
MLA
Hearing Status and Ear Examination. : U.S. Department of Health Education and Welfare. 1968.