Dyfyniad APA

American Academy of Opthalmology and Otolaryngology. (1972). Contemporary ophthalmology: Selected proceedings, annual meeting, Sept. 1971. Mosby.

Dyfyniad Arddull Chicago

American Academy of Opthalmology and Otolaryngology. Contemporary Ophthalmology: Selected Proceedings, Annual Meeting, Sept. 1971. Saint Louis: Mosby, 1972.

Dyfyniad MLA

American Academy of Opthalmology and Otolaryngology. Contemporary Ophthalmology: Selected Proceedings, Annual Meeting, Sept. 1971. Mosby, 1972.

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