Joaquin, A. (1997). Gov't engineers scored for wrong dike design. Philippine Daily Inquirer.
Chicago-referens (17:e uppl.)Joaquin, Ansbert. "Gov't Engineers Scored for Wrong Dike Design." Philippine Daily Inquirer 1997.
MLA-referens (9:e uppl.)Joaquin, Ansbert. "Gov't Engineers Scored for Wrong Dike Design." Philippine Daily Inquirer, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.