Gaya APA

Hampel, C, A., Hawley, G, G. (1982). Chemical terms (2nd. ed). New York: Van Nostrand Reinhold company.

Gaya MLA

Hampel, Clifford, A.., Hawley, Gessner, G.. "Chemical terms". 2nd. ed New York: Van Nostrand Reinhold company, 1982. Text.