APA-viite (7. p.)

Philippines. National Tax Research Center. (1974). A study of tax burden by income class in the Philippines: An initial report. The Center.

Chicago-viite (17. p.)

Philippines. National Tax Research Center. A Study of Tax Burden by Income Class in the Philippines: An Initial Report. Manila: The Center, 1974.

MLA-viite (9. p.)

Philippines. National Tax Research Center. A Study of Tax Burden by Income Class in the Philippines: An Initial Report. The Center, 1974.