APA-viite (7. p.)
Koepke, D., & Fahey, C. (2016). The essential spirit: Providing wholistic services to and with older adults. Pickwick Publications.
Chicago-viite (17. p.)
Koepke, Donald, ja Charles Fahey. The Essential Spirit: Providing Wholistic Services to and with Older Adults. Eugene, Oregon: Pickwick Publications, 2016.
MLA-viite (9. p.)
Koepke, Donald, ja Charles Fahey. The Essential Spirit: Providing Wholistic Services to and with Older Adults. Pickwick Publications, 2016.
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