Astor, R., & Jeffereys, K. (2000). Positive initiatives for people with learning difficulties: Promoting healthy lifestyles. Macmillan Press.
Chicago-Zitierstil (17. Ausg.)Astor, Roberta, und Karen Jeffereys. Positive Initiatives for People with Learning Difficulties: Promoting Healthy Lifestyles. Hampshire: Macmillan Press, 2000.
MLA-Zitierstil (9. Ausg.)Astor, Roberta, und Karen Jeffereys. Positive Initiatives for People with Learning Difficulties: Promoting Healthy Lifestyles. Macmillan Press, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.