Cita APA (7th ed.)

Hardman, M. L., Egan, M. W., & Drew, C. J. (2017). Human exceptionality: School, community, and family (Twelfth edition.). Cengage Learning.

Cita Chicago (17th ed.)

Hardman, Michael L., M. Winston Egan, i Clifford J. Drew. Human Exceptionality: School, Community, and Family. Twelfth edition. Boston, MA: Cengage Learning, 2017.

Cita MLA (9th ed.)

Hardman, Michael L., et al. Human Exceptionality: School, Community, and Family. Twelfth edition. Cengage Learning, 2017.