APA

Feil N., . (2002). The Validation Breakthrough : Simple Techniques For Communication With People With "Alzheimer's - Type Dementia. USA: Health Professions Press.

Chicago

Feil Naomi, . 2002. The Validation Breakthrough : Simple Techniques For Communication With People With "Alzheimer's - Type Dementia. USA: Health Professions Press.

Harvard

Feil N., . (2002). The Validation Breakthrough : Simple Techniques For Communication With People With "Alzheimer's - Type Dementia. USA: Health Professions Press.

MLA

Feil Naomi, . The Validation Breakthrough : Simple Techniques For Communication With People With "Alzheimer's - Type Dementia. USA: Health Professions Press. 2002.