Gaya APA
Chemical Principles. (1970).
New York:
WA Benjamin, Inc.
Gaya Chicago
Chemical Principles.
.
New York:
WA Benjamin, Inc,
1970.
.
Gaya MLA
Chemical Principles.
.
New York:
WA Benjamin, Inc,
1970.
.
Gaya Turabian
Chemical Principles.
New York:
WA Benjamin, Inc,
1970.
.