Dyfyniad APA

De Silva, P. (1992). Obsessive compulsive disorders: The facts. Oxford University.

Dyfyniad Arddull Chicago

De Silva, Padmal. Obsessive Compulsive Disorders: The Facts. Oxford: Oxford University, 1992.

Dyfyniad MLA

De Silva, Padmal. Obsessive Compulsive Disorders: The Facts. Oxford University, 1992.

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