Dyfyniad APA

Cushman, D. (2009). Dirk Bones and the mystery of the missing books. HarperCollinsPublishers.

Dyfyniad Arddull Chicago

Cushman, Doug. Dirk Bones and the Mystery of the Missing Books. New York: HarperCollinsPublishers, 2009.

Dyfyniad MLA

Cushman, Doug. Dirk Bones and the Mystery of the Missing Books. HarperCollinsPublishers, 2009.

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