(1999). The IRS V. the people: Time for real tax reform. The Heritage Foundation.
Chicago Style aipamenaThe IRS V. the People: Time for Real Tax Reform. Washington, D.C: The Heritage Foundation, 1999.
MLA aipamenaThe IRS V. the People: Time for Real Tax Reform. The Heritage Foundation, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.