Zobel, E. (2002). Views from the private sector: Prescription for the President. Business World Anniversary Report.
Chicago-referens (17:e uppl.)Zobel, Enrique. "Views from the Private Sector: Prescription for the President." Business World Anniversary Report 2002.
MLA-referens (9:e uppl.)Zobel, Enrique. "Views from the Private Sector: Prescription for the President." Business World Anniversary Report, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.