Pecson, G. T., & Sulit, L. P. (1957). Building good citizenship: A textbook in civics for grade VI. Children's Bookshop.
Citace podle Chicago (17th ed.)Pecson, Geronima Tomelden, a Loreto Paras Sulit. Building Good Citizenship: A Textbook in Civics for Grade VI. Manila: Children's Bookshop, 1957.
Citace podle MLA (9th ed.)Pecson, Geronima Tomelden, a Loreto Paras Sulit. Building Good Citizenship: A Textbook in Civics for Grade VI. Children's Bookshop, 1957.
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