Dyfyniad APA

Houston, W. J. B., & Tulley, W. J. (1986). A textbook of orthodontics. Wright.

Dyfyniad Arddull Chicago

Houston, W. J. B., and W. J. Tulley. A Textbook of Orthodontics. Bristol: Wright, 1986.

Dyfyniad MLA

Houston, W. J. B., and W. J. Tulley. A Textbook of Orthodontics. Wright, 1986.

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