Gaya APA
Abrams, W, B., Berkow, R.
(1997).
The merck manual of geriatrics
(
jilid 1)
.
Jakarta:
Binarupa aksara.
Gaya MLA
Abrams, William, B.., Berkow, Robert.
"The merck manual of geriatrics".
jilid 1
Jakarta:
Binarupa aksara,
1997.
Text.