Dyfyniad APA

Harris, R. H., & Emberley, M. (2008). Maybe a bear ate it! Orchard Books.

Dyfyniad Arddull Chicago

Harris, Robie H., and Michael Emberley. Maybe a Bear Ate It! New York: Orchard Books, 2008.

Dyfyniad MLA

Harris, Robie H., and Michael Emberley. Maybe a Bear Ate It! Orchard Books, 2008.

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