Hefti, T. (1997). Quality system model for development and maintenance of software in pharmaceutical manufacturing. Rosch-Buch.
Chicago-referens (17:e uppl.)Hefti, Thomas. Quality System Model for Development and Maintenance of Software in Pharmaceutical Manufacturing. Schesslitz: Rosch-Buch, 1997.
MLA-referens (8:e uppl.)Hefti, Thomas. Quality System Model for Development and Maintenance of Software in Pharmaceutical Manufacturing. Rosch-Buch, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.