Dyfyniad APA

London, J., & Remkiewicz, F. (2011). Froggy builds a tree house. Viking.

Dyfyniad Arddull Chicago

London, Jonathan, and Frank Remkiewicz. Froggy Builds a Tree House. New York: Viking, 2011.

Dyfyniad MLA

London, Jonathan, and Frank Remkiewicz. Froggy Builds a Tree House. Viking, 2011.

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