Philippines & Nolledo, M. S. (2006). The Expanded senior citizens act of 2003: (Republic Act No. 9257) and implementing regulations (2nd ed.). National Book Store.
Čikaški stil citiranja (17. izdanje)Philippines i Mercedita S. Nolledo. The Expanded Senior Citizens Act of 2003: (Republic Act No. 9257) and Implementing Regulations. 2nd ed. Mandaluyong City: National Book Store, 2006.
MLA način citiranja (9. izdanje)Philippines i Mercedita S. Nolledo. The Expanded Senior Citizens Act of 2003: (Republic Act No. 9257) and Implementing Regulations. 2nd ed. National Book Store, 2006.
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