Gaya APA
McKhann,M.D, G.
(2010).
Keep Your Brain Young: Agar Otak Awet Muda
.
yogyakarta:
Media Pressindo.
Gaya MLA
McKhann,M.D, Guy.
"Keep Your Brain Young: Agar Otak Awet Muda".
yogyakarta:
Media Pressindo,
2010.
Text.