APA-referens (7:e uppl.)

Philippines. National Tax Research Center. (2020). Philippine public finance and related statistics 2018. NTRC.

Chicago-referens (17:e uppl.)

Philippines. National Tax Research Center. Philippine Public Finance and Related Statistics 2018. [Manila]: NTRC, 2020.

MLA-referens (9:e uppl.)

Philippines. National Tax Research Center. Philippine Public Finance and Related Statistics 2018. NTRC, 2020.

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