APA (7th ed.) Zitazioa

McDonnell, J. J., Wilcox, B., & Hardman, M. L. (1991). Secondary programs for students with developmental disabilities. Allyn and Bacon.

Chicago Style (17th ed.) Zitazioa

McDonnell, John J., Barbara Wilcox, eta Michael L. Hardman. Secondary Programs for Students with Developmental Disabilities. Boston: Allyn and Bacon, 1991.

MLA (9th ed.) Zitazioa

McDonnell, John J., et al. Secondary Programs for Students with Developmental Disabilities. Allyn and Bacon, 1991.