Dyfyniad APA

Hill, W. (1912). Fixation of Left Vocal Cord and Tracheal Tugging.

Dyfyniad Arddull Chicago

Hill, William. Fixation of Left Vocal Cord and Tracheal Tugging. 1912.

Dyfyniad MLA

Hill, William. Fixation of Left Vocal Cord and Tracheal Tugging. 1912.

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