Dyfyniad APA

Winkler, H., & Oliver, L. (2004). The night I flunked my field trip. Grosset & Dunlap.

Dyfyniad Arddull Chicago

Winkler, Henry, and Lin Oliver. The Night I Flunked My Field Trip. New York: Grosset & Dunlap, 2004.

Dyfyniad MLA

Winkler, Henry, and Lin Oliver. The Night I Flunked My Field Trip. Grosset & Dunlap, 2004.

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