Citazione Stile APA (7a Edizione)

Hardman, M. L., Drew, C. J., & Egan, M. W. (2008). Human exceptionality: School, community, and family (9th ed.). Houghton Mifflin.

Citazione stile Chigago Style (17a edizione)

Hardman, Michael L., Clifford J. Drew, e M. Winston Egan. Human Exceptionality: School, Community, and Family. 9th ed. Boston: Houghton Mifflin, 2008.

Citatione MLA (9a ed.)

Hardman, Michael L., et al. Human Exceptionality: School, Community, and Family. 9th ed. Houghton Mifflin, 2008.