Cita APA (7th ed.)
ebrary, Inc, & Ars, B. (2003). Fibrocartilaginous eustachian tube: Middle ear cleft. Kugler.
Cita Chicago (17th ed.)
ebrary, Inc, i B. Ars. Fibrocartilaginous Eustachian Tube: Middle Ear Cleft. The Hague: Kugler, 2003.
Cita MLA (9th ed.)
ebrary, Inc, i B. Ars. Fibrocartilaginous Eustachian Tube: Middle Ear Cleft. Kugler, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.