Gaya APA
Abrahams, W, B.
(1997).
The Merck Manual Of Geriatrics Jilid 2
.
Jakarta:
Binarupa Aksara.
Gaya MLA
Abrahams, William, B..
"The Merck Manual Of Geriatrics Jilid 2".
Jakarta:
Binarupa Aksara,
1997.
Text.