Philippines. National Tax Research Center. (1974). Delivery and financing of services in Metro Manila. [s.n.].
Čikaški stil citiranja (17. izdanje)Philippines. National Tax Research Center. Delivery and Financing of Services in Metro Manila. Manila: [s.n.], 1974.
MLA način citiranja (9. izdanje)Philippines. National Tax Research Center. Delivery and Financing of Services in Metro Manila. [s.n.], 1974.
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