Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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