P D Bull. (1996). Lecture notes on diseases of the ear, nose and throat. Cambridge, Massachusetts: Blackwell Science.
Dyfyniad Arddull ChicagoP D Bull. Lecture Notes On Diseases of the Ear, Nose and Throat. Cambridge, Massachusetts: Blackwell Science, 1996.
Dyfyniad MLAP D Bull. Lecture Notes On Diseases of the Ear, Nose and Throat. Cambridge, Massachusetts: Blackwell Science, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.