Philippines (Republic). Bureau of Public Schools. (1950). Course of study in advanced arithmetic. Bureau of Print.
Chicago-referens (17:e uppl.)Philippines (Republic). Bureau of Public Schools. Course of Study in Advanced Arithmetic. Manila: Bureau of Print, 1950.
MLA-referens (9:e uppl.)Philippines (Republic). Bureau of Public Schools. Course of Study in Advanced Arithmetic. Bureau of Print, 1950.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.