Villanueva, . R. . L. (2002). Public awaiting efficient service, much still to be desired in power and water. Business World Anniversary Report.
Chicago-referens (17:e uppl.)Villanueva, Ruffy L. "Public Awaiting Efficient Service, Much Still to Be Desired in Power and Water." Business World Anniversary Report 2002.
MLA-referens (9:e uppl.)Villanueva, Ruffy L. "Public Awaiting Efficient Service, Much Still to Be Desired in Power and Water." Business World Anniversary Report, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.