Παραπομπή σε μορφή APA (7η εκδ.)

Bell, G., & Tawara, N. (2009). The size of government and U.S.-European differences in economic performance. International Monetary Fund.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bell, Gerwin, και Norikazu Tawara. The Size of Government and U.S.-European Differences in Economic Performance. [Washington D.C.]: International Monetary Fund, 2009.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bell, Gerwin, και Norikazu Tawara. The Size of Government and U.S.-European Differences in Economic Performance. International Monetary Fund, 2009.