Dyfyniad APA
Galluccio, M., Galluccio, J., & Groff, D. (2001). An american family. St. Martin's Press.
Dyfyniad Arddull Chicago
Galluccio, Micheal, Jon Galluccio, and David Groff. An American Family. New York: St. Martin's Press, 2001.
Dyfyniad MLA
Galluccio, Micheal, et al. An American Family. St. Martin's Press, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.