Gaya APA
ABRAMS, W, B.
(2013).
The merck manual geriatrics jilid 1
.
Tangerang:
Binarupa Aksara.
Gaya MLA
ABRAMS, William, B..
"The merck manual geriatrics jilid 1".
Tangerang:
Binarupa Aksara,
2013.
Text.