Cita APA (7th ed.)

Philippines & Ramirez, Efren V. (1990). The constitution of the Republic of the Philippines: With brief comments and explanatory notes (1990 ed.). Distributed by Visayan Educational Supply.

Cita Chicago (17th ed.)

Philippines i Efren V. Ramirez. The Constitution of the Republic of the Philippines: With Brief Comments and Explanatory Notes. 1990 ed. Cebu City: Distributed by Visayan Educational Supply, 1990.

Cita MLA (9th ed.)

Philippines i Efren V. Ramirez. The Constitution of the Republic of the Philippines: With Brief Comments and Explanatory Notes. 1990 ed. Distributed by Visayan Educational Supply, 1990.