Dyfyniad APA

Hill, I. (2004). Ursula, under: Novel (First edition.). Penguin books.

Dyfyniad Arddull Chicago

Hill, Ingrid. Ursula, Under: Novel. First edition. New York: Penguin books, 2004.

Dyfyniad MLA

Hill, Ingrid. Ursula, Under: Novel. First edition. Penguin books, 2004.

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