Wehmeyer, M. L., & Agran, M. (2007). Promoting self-determination in students with developmental disabilities. Guilford Press.
Chicago-viite (17. p.)Wehmeyer, Michael L., ja Martin Agran. Promoting Self-determination in Students with Developmental Disabilities. New York: Guilford Press, 2007.
MLA-viite (9. p.)Wehmeyer, Michael L., ja Martin Agran. Promoting Self-determination in Students with Developmental Disabilities. Guilford Press, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.