Puno, R. J. (1998). Quintos murders. IN My viewpoint [column]: The plot thickens. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Puno, RicardoV. Jr. "Quintos Murders. IN My Viewpoint [column]: The Plot Thickens." Philippine Star 1998.
Lua MLA (9ú heag.)Puno, RicardoV. Jr. "Quintos Murders. IN My Viewpoint [column]: The Plot Thickens." Philippine Star, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.