Dyfyniad APA

Lefaivre, P., & Decker, F. (2004). Exploring American history. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Lefaivre, Phil, và Flo Decker. Exploring American History. New York: McGraw-Hill, 2004.

Dyfyniad MLA

Lefaivre, Phil, và Flo Decker. Exploring American History. New York: McGraw-Hill, 2004.

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