Visperas, E. (2007). University of Eastern Pangasinan introduces ladderized education program. Philippine Star.
Citazione stile Chigago Style (17a edizione)Visperas, Eva. "University of Eastern Pangasinan Introduces Ladderized Education Program." Philippine Star 2007.
Citatione MLA (9a ed.)Visperas, Eva. "University of Eastern Pangasinan Introduces Ladderized Education Program." Philippine Star, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.