APA Style
al, D, W, M, E.
(1991).
Biokimia (Harper's review of biochemistry), ed. 20
.
Jakarta:
EGC.
MLA Style
al, David, W, Martin,, Et.
"Biokimia (Harper's review of biochemistry), ed. 20".
Jakarta:
EGC,
1991.
BOOKS.