Dyfyniad APA

American Academy of Otolaryncology. (1988). Otolaryngology Head and Neck Surgery Nº 5. Mosby Company.

Dyfyniad Arddull Chicago

American Academy of Otolaryncology. Otolaryngology Head and Neck Surgery Nº 5. Washington D.C: Mosby Company, 1988.

Dyfyniad MLA

American Academy of Otolaryncology. Otolaryngology Head and Neck Surgery Nº 5. Mosby Company, 1988.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.