Dyfyniad APA
Opie, I. A., & Tatem, M. (2005). A dictionary of superstitions. Oxford University Press.
Dyfyniad Arddull Chicago
Opie, Iona Archibald, and Moira Tatem. A Dictionary of Superstitions. New York: Oxford University Press, 2005.
Dyfyniad MLA
Opie, Iona Archibald, and Moira Tatem. A Dictionary of Superstitions. Oxford University Press, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.