APA استشهاد

Hawley, G. G. (1971). condensed chemical dictionary (8th ed.). Van Nostrand Reinhold Company.

استشهاد بنمط شيكاغو

Hawley, Gessner G. Condensed Chemical Dictionary. 8th ed. New York: Van Nostrand Reinhold Company, 1971.

MLA استشهاد

Hawley, Gessner G. Condensed Chemical Dictionary. 8th ed. Van Nostrand Reinhold Company, 1971.