Barrett, W. C. (1897). The Orbicularis Oris, and the Muscles of Expression. Dent Regist.
Čikaški stil citiranjaBarrett, W. C. "The Orbicularis Oris, and the Muscles of Expression." Dent Regist 1897.
MLA način citiranjaBarrett, W. C. "The Orbicularis Oris, and the Muscles of Expression." Dent Regist 1897.
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