Clark, S. D. (1968). A Guide to Diseases of the Nose, Throat and Ear for General Practitioners and Students.
Chicago-tyylinen lähdeviittausClark, Stephen D. A Guide to Diseases of the Nose, Throat and Ear for General Practitioners and Students. 1968.
MLA-viiteClark, Stephen D. A Guide to Diseases of the Nose, Throat and Ear for General Practitioners and Students. 1968.
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