Gaya APA
Hawley, G, G. (1981).
The Condensed Chemical Dictionary 10th Ed. (10th Ed.).
New York:
Van Nostrand Reinhold Company.
Gaya MLA
Hawley, Gessner, G..
"The Condensed Chemical Dictionary 10th Ed.".
10th Ed.
New York:
Van Nostrand Reinhold Company,
1981.
Text.