Gaya APA
Copeland, J, R, M.
(2002).
Principles and Practice of Geriatric Psychiatry
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NGANJUK:
Kogan Page.
Gaya MLA
Copeland, John, R., M..
"Principles and Practice of Geriatric Psychiatry".
NGANJUK:
Kogan Page,
2002.
PERAWAT.