Hood, R. D. a. V. R. Basic mathematics with hand-held calculator a work-text. The Benyamin Cummings Publishing Company.
Chicago-referens (17:e uppl.)Hood, Roy Dubisch and Vernon R. Basic Mathematics with Hand-held Calculator a Work-text. The Benyamin Cummings Publishing Company.
MLA-referens (8:e uppl.)Hood, Roy Dubisch and Vernon R. Basic Mathematics with Hand-held Calculator a Work-text. The Benyamin Cummings Publishing Company.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.