Yamsuan, B. R. S. (2003). Why does GSIS collect more moey from membeers when it has billions to spare? Philippine Star.
Chicago Style (17. basım) AtıfYamsuan, Brian Raymund S. "Why Does GSIS Collect More Moey from Membeers When It Has Billions to Spare?" Philippine Star 2003.
MLA (9th ed.) AtıfYamsuan, Brian Raymund S. "Why Does GSIS Collect More Moey from Membeers When It Has Billions to Spare?" Philippine Star, 2003.
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