Pörtner, M., & Pörtner, M. (2007). Trust and understanding: The person-centred approach to everyday care for people with special needs (2. ed., rev. and extended.). PCCS Books.
Chicago-Zitierstil (17. Ausg.)Pörtner, Marlis, und Marlis Pörtner. Trust and Understanding: The Person-centred Approach to Everyday Care for People with Special Needs. 2. ed., rev. and extended. Ross-on-Wye: PCCS Books, 2007.
MLA-Zitierstil (9. Ausg.)Pörtner, Marlis, und Marlis Pörtner. Trust and Understanding: The Person-centred Approach to Everyday Care for People with Special Needs. 2. ed., rev. and extended. PCCS Books, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.