Hardman, M. L., Drew, C. J., & Egan, M. W. (2014). Human exceptionality school, community, and family (Eleventh Edition.). Wadsworth/Cengage Learning.
Chicago-Zitierstil (17. Ausg.)Hardman, Michael L., Clifford J. Drew, und M. Winston Egan. Human Exceptionality School, Community, and Family. Eleventh Edition. Australia: Wadsworth/Cengage Learning, 2014.
MLA-Zitierstil (9. Ausg.)Hardman, Michael L., et al. Human Exceptionality School, Community, and Family. Eleventh Edition. Wadsworth/Cengage Learning, 2014.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.