Santiago, E. P. (2002). Plano ng PhilHealth na magtakda ng Drug Price Reference Index, epektibo ba? Kabayan.
Chicago (17e ed.) BronvermeldingSantiago, Edwin P. "Plano Ng PhilHealth Na Magtakda Ng Drug Price Reference Index, Epektibo Ba?" Kabayan 2002.
MLA (9e ed.) BronvermeldingSantiago, Edwin P. "Plano Ng PhilHealth Na Magtakda Ng Drug Price Reference Index, Epektibo Ba?" Kabayan, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.