Cristobal, J. M. (2011). Aduana de Iloilo. IN Urban planning : Iloilo [column]: The historic Iloilo customs building awaits a new assignment. BluPrint.
Chicago-referens (17:e uppl.)Cristobal, Jennifer M. "Aduana De Iloilo. IN Urban Planning : Iloilo [column]: The Historic Iloilo Customs Building Awaits a New Assignment." BluPrint 2011.
MLA-referens (9:e uppl.)Cristobal, Jennifer M. "Aduana De Iloilo. IN Urban Planning : Iloilo [column]: The Historic Iloilo Customs Building Awaits a New Assignment." BluPrint, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.