Gaya APA
Brown, T, L., Lemay, H, E.
(1988).
Chemistry : the central science
.
Engle wood cliffs:
Prentice Hall.
Gaya MLA
Brown, Theodore, L., Lemay, H., Eugene.
"Chemistry : the central science".
Engle wood cliffs:
Prentice Hall,
1988.
Text.