Philippines & Ramirez, E. V. (1987). The constitution of the Republic of the Philippines: With brief comments and explanatory notes (New ed.). Visayan Educational Supply.
Chicago-viite (17. p.)Philippines ja Efren V. Ramirez. The Constitution of the Republic of the Philippines: With Brief Comments and Explanatory Notes. New ed. Cebu City: Visayan Educational Supply, 1987.
MLA-viite (9. p.)Philippines ja Efren V. Ramirez. The Constitution of the Republic of the Philippines: With Brief Comments and Explanatory Notes. New ed. Visayan Educational Supply, 1987.
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