Gaya APA
McKhann, G.
(2010).
Keep Your Brain Young: Agar Otak Awet Muda
(
Pertama)
.
Yogyakarta:
Medpress.
Gaya MLA
McKhann, Guy.
"Keep Your Brain Young: Agar Otak Awet Muda".
Pertama
Yogyakarta:
Medpress,
2010.
Text.