Yamsuan, B. R. S. (2003). Why does GSIS collect more moey from membeers when it has billions to spare? Philippine Star.
Citazione stile Chigago Style (17a edizione)Yamsuan, Brian Raymund S. "Why Does GSIS Collect More Moey from Membeers When It Has Billions to Spare?" Philippine Star 2003.
Citatione MLA (9a ed.)Yamsuan, Brian Raymund S. "Why Does GSIS Collect More Moey from Membeers When It Has Billions to Spare?" Philippine Star, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.