APA aipamena

Oplas, B. J. (2006). Why income taxes can be abolished. Philippine Collegian.

Chicago Style aipamena

Oplas, Bienvenido Jr. "Why Income Taxes Can Be Abolished." Philippine Collegian 2006.

MLA aipamena

Oplas, Bienvenido Jr. "Why Income Taxes Can Be Abolished." Philippine Collegian, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.