Gaya APA
College Chemistry. (2000).
New York:
Mcgraw-hill.
Gaya Chicago
College Chemistry.
.
New York:
Mcgraw-hill,
2000.
Text.
Gaya MLA
College Chemistry.
.
New York:
Mcgraw-hill,
2000.
Text.
Gaya Turabian
College Chemistry.
New York:
Mcgraw-hill,
2000.
Print.