Cita APA (7th ed.)
Hufbauer, G. C., & Assa, A. (2007). U.S. taxation of foreign income. Peterson Institute for International Economics.
Cita Chicago (17th ed.)
Hufbauer, Gary Clyde, i Ariel Assa. U.S. Taxation of Foreign Income. Washington, DC: Peterson Institute for International Economics, 2007.
Cita MLA (9th ed.)
Hufbauer, Gary Clyde, i Ariel Assa. U.S. Taxation of Foreign Income. Peterson Institute for International Economics, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.