Gaya APA
Fundamentals of Chemistry. (1987).
California:
Wadsorth, Inc.
Gaya Chicago
Fundamentals of Chemistry.
Cet.1.
California:
Wadsorth, Inc,
1987.
.
Gaya MLA
Fundamentals of Chemistry.
Cet.1.
California:
Wadsorth, Inc,
1987.
.
Gaya Turabian
Fundamentals of Chemistry.
California:
Wadsorth, Inc,
1987.
.