Παραπομπή APA

HAWLEY GESSNER G. (1977). THE CONDENSED CHEMICAL DICTIONARY (9.). VAN NOSTRAND REINHOLD COMPANY.

Παραπομπή Chicago Style

HAWLEY GESSNER G. THE CONDENSED CHEMICAL DICTIONARY. 9. NEW YORK: VAN NOSTRAND REINHOLD COMPANY, 1977.

Παραπομπή MLA

HAWLEY GESSNER G. THE CONDENSED CHEMICAL DICTIONARY. 9. VAN NOSTRAND REINHOLD COMPANY, 1977.