Gaya APA
ABRAMS, W, B., KUSUMA, W.
(1997).
The merck manual of geriatrics Jilid 1
.
Jakarta:
Binarupa Aksara.
Gaya MLA
ABRAMS, WILLIAM, B.., KUSUMA, WIDJAJA.
"The merck manual of geriatrics Jilid 1".
Jakarta:
Binarupa Aksara,
1997.
TEXT.