Dyfyniad APA

Heward, W. L., & Orlansky, M. D. (1984). Exceptional children: An introductory survey of special education (2nd ed.). C.E. Merrill.

Dyfyniad Arddull Chicago

Heward, William L., and Michael D. Orlansky. Exceptional Children: An Introductory Survey of Special Education. 2nd ed. Columbus, Ohio: C.E. Merrill, 1984.

Dyfyniad MLA

Heward, William L., and Michael D. Orlansky. Exceptional Children: An Introductory Survey of Special Education. 2nd ed. C.E. Merrill, 1984.

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