APA-viite (7. p.)
ebrary, Inc, & Levkoff, S. (2006). Evidence-based behavioral health practices for older adults: A guide to implementation. Springer Pub..
Chicago-viite (17. p.)
ebrary, Inc, ja Sue Levkoff. Evidence-based Behavioral Health Practices for Older Adults: A Guide to Implementation. New York: Springer Pub., 2006.
MLA-viite (9. p.)
ebrary, Inc, ja Sue Levkoff. Evidence-based Behavioral Health Practices for Older Adults: A Guide to Implementation. Springer Pub., 2006.
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