Philippines (Republic). Bureau of Public Schools. (1950). Course of study in advanced arithmetic. Bureau of Print.
Style de citation Chicago (17e éd.)Philippines (Republic). Bureau of Public Schools. Course of Study in Advanced Arithmetic. Manila: Bureau of Print, 1950.
Style de citation MLA (9e éd.)Philippines (Republic). Bureau of Public Schools. Course of Study in Advanced Arithmetic. Bureau of Print, 1950.
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