Dyfyniad APA

Gelfand, D. M., Jenson, W. R., & Drew, C. J. (1997). Understanding child behavior disorders (3rd ed.). Forth Worth: Harcourt Brace College.

Dyfyniad Arddull Chicago

Gelfand, Donna M., William R. Jenson, và Clifford J. Drew. Understanding Child Behavior Disorders. 3rd ed. Forth Worth: Harcourt Brace College, 1997.

Dyfyniad MLA

Gelfand, Donna M., William R. Jenson, và Clifford J. Drew. Understanding Child Behavior Disorders. 3rd ed. Forth Worth: Harcourt Brace College, 1997.

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