Gaya APA
Sjahrir, H.
(2007).
Parkinson`s Disease & Other Movement Disorders
.
Medan:
Pustaka Cendekia, Perdossi.
Gaya MLA
Sjahrir, Hasan.
"Parkinson`s Disease & Other Movement Disorders".
Medan:
Pustaka Cendekia, Perdossi,
2007.
Text.