Dyfyniad APA

Lightfoot, C., Cole, M., & Cole, S. (2013). The development of children (Seventh edition.). New York, NY: Worth Publishers.

Dyfyniad Arddull Chicago

Lightfoot, Cynthia., Michael Cole, and Sheila Cole. The Development of Children. Seventh edition. New York, NY: Worth Publishers, 2013.

Dyfyniad MLA

Lightfoot, Cynthia., Michael Cole, and Sheila Cole. The Development of Children. Seventh edition. New York, NY: Worth Publishers, 2013.

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