Hewlett Packard Company. (1980). The HP-41C/41CV alphanumeric full performance programmable calculator: Owner's handbook and programming guide. Hewlett Packard.
Style de citation Chicago (17e éd.)Hewlett Packard Company. The HP-41C/41CV Alphanumeric Full Performance Programmable Calculator: Owner's Handbook and Programming Guide. Corvallis, Oregon: Hewlett Packard, 1980.
Style de citation MLA (9e éd.)Hewlett Packard Company. The HP-41C/41CV Alphanumeric Full Performance Programmable Calculator: Owner's Handbook and Programming Guide. Hewlett Packard, 1980.
Attention : ces citations peuvent ne pas être correctes à 100%.