(1991). Century Park Sheraton Manila turns 15. Philippine Star.
Lua i Stíl Chicago (17ú heag.)"Century Park Sheraton Manila Turns 15." Philippine Star 1991.
Lua MLA (9ú heag.)"Century Park Sheraton Manila Turns 15." Philippine Star, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.