Sinco, V. G. (1962). Philippine political law, principles and concepts (11th ed.). Community Pub.
Chicago Style (17th ed.) CitationSinco, Vicente Guzman. Philippine Political Law, Principles and Concepts. 11th ed. Manila: Community Pub, 1962.
MLA (9th ed.) CitationSinco, Vicente Guzman. Philippine Political Law, Principles and Concepts. 11th ed. Community Pub, 1962.
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