Philippines (Republic). Bureau of Public Schools. (1950). Course of study in advanced arithmetic. Bureau of Print.
Lua i Stíl Chicago (17ú heag.)Philippines (Republic). Bureau of Public Schools. Course of Study in Advanced Arithmetic. Manila: Bureau of Print, 1950.
Lua MLA (9ú heag.)Philippines (Republic). Bureau of Public Schools. Course of Study in Advanced Arithmetic. Bureau of Print, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.