Philatelic Center of the Philippines. Stamp journal. Philatelic Center of the Philippines.
Lua i Stíl Chicago (17ú heag.)Philatelic Center of the Philippines. Stamp Journal. Manila: Philatelic Center of the Philippines.
Lua MLA (9ú heag.)Philatelic Center of the Philippines. Stamp Journal. Philatelic Center of the Philippines.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.