Dyfyniad APA

Lightfoot, C., Cole, M., & Cole, S. R. (2013). The development of children (7th ed.). Worth Pub.

Dyfyniad Arddull Chicago

Lightfoot, Cynthia, Michael Cole, and Sheila R. Cole. The Development of Children. 7th ed. New York: Worth Pub, 2013.

Dyfyniad MLA

Lightfoot, Cynthia, et al. The Development of Children. 7th ed. Worth Pub, 2013.

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