Gaya APA

Dubisch, R., R., I, H, V. (1979). Basic mathematics with hand-held calculator a work text . California: California: Benjamin/Cummings; 1979.

Gaya MLA

Dubisch, Roy., R., I., Hood,, Vernon. "Basic mathematics with hand-held calculator a work text". California: California: Benjamin/Cummings; 1979, 1979. Text.