Dyfyniad APA

Queen, E. (2014). The origin of evil. London: Orion Publishing Group.

Dyfyniad Arddull Chicago

Queen, Ellery. The Origin of Evil. London: Orion Publishing Group, 2014.

Dyfyniad MLA

Queen, Ellery. The Origin of Evil. London: Orion Publishing Group, 2014.

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