Gaya APA
BETTLEHEIM, F, A. (1987).
Introduction to general, organic & biochemistry Edisi 3 .
New York:
Saunders college publishing .
Gaya MLA
BETTLEHEIM, Frederick, A.
"Introduction to general, organic & biochemistry Edisi 3".
New York:
Saunders college publishing ,
1987.
FAKULTAS TEKNIK.