Gaya APA
MIDDLECAMP, C, H., KELLER, S, W.
(2012).
CHEMISTRY in context :
(
7th ed.)
.
Boston:
McGraw-Hill.
Gaya MLA
MIDDLECAMP, Catherine, H.., KELLER, Steven, W..
"CHEMISTRY in context :".
7th ed.
Boston:
McGraw-Hill,
2012.
Buku.