Dyfyniad APA

Rowling, J. (2009). Quidditch through the ages. Bloomsbury.

Dyfyniad Arddull Chicago

Rowling, J.K. Quidditch Through the Ages. London: Bloomsbury, 2009.

Dyfyniad MLA

Rowling, J.K. Quidditch Through the Ages. Bloomsbury, 2009.

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