Ramirez, E. V. (1990). The constitution of the republic of the philippines with brief comments and explanatory notes (1990 ed.). Distributed by Visayan Educational Supply Corp.
Čikaški stil citiranja (17. izdanje)Ramirez, Efren V. The Constitution of the Republic of the Philippines with Brief Comments and Explanatory Notes. 1990 ed. Cebu City: Distributed by Visayan Educational Supply Corp, 1990.
MLA način citiranja (9. izdanje)Ramirez, Efren V. The Constitution of the Republic of the Philippines with Brief Comments and Explanatory Notes. 1990 ed. Distributed by Visayan Educational Supply Corp, 1990.
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