Regidor, N. C., & Santos, I. J. P. (1992). A Landscape redevelopment of the UPIS high school grounds.
Lua i Stíl Chicago (17ú heag.)Regidor, Noel C., agus Ildefonso Jr. P. Santos. A Landscape Redevelopment of the UPIS High School Grounds. 1992.
Lua MLA (9ú heag.)Regidor, Noel C., agus Ildefonso Jr. P. Santos. A Landscape Redevelopment of the UPIS High School Grounds. 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.