Philippine Printing Technical Foundation. (1990). Graphic arts directory. Published by the Philippine Printing Technical Foundation.
Lua i Stíl Chicago (17ú heag.)Philippine Printing Technical Foundation. Graphic Arts Directory. Manila: Published by the Philippine Printing Technical Foundation, 1990.
Lua MLA (9ú heag.)Philippine Printing Technical Foundation. Graphic Arts Directory. Published by the Philippine Printing Technical Foundation, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.