Dyfyniad APA

Turnbull, A., & Turnbull, R. (1999). Exceptional lives: Special education in today's schools (2nd ed.). Merrill.

Dyfyniad Arddull Chicago

Turnbull, Ann, and Rud Turnbull. Exceptional Lives: Special Education in Today's Schools. 2nd ed. New Jersey: Merrill, 1999.

Dyfyniad MLA

Turnbull, Ann, and Rud Turnbull. Exceptional Lives: Special Education in Today's Schools. 2nd ed. Merrill, 1999.

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