Dyfyniad APA

Anthony, E. J., & Cohler, B. J. (1987). The Invulnerable child. Guilford Press.

Dyfyniad Arddull Chicago

Anthony, E. James, and Bertram J. Cohler. The Invulnerable Child. New York: Guilford Press, 1987.

Dyfyniad MLA

Anthony, E. James, and Bertram J. Cohler. The Invulnerable Child. Guilford Press, 1987.

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