Hufbauer, G. C. (1990). Europe 1992: An American perspective. Washington, D.C: Brookings Institution.
Trích dẫn kiểu ChicagoHufbauer, Gary Clyde. Europe 1992: An American Perspective. Washington, D.C: Brookings Institution, 1990.
MLA引文Hufbauer, Gary Clyde. Europe 1992: An American Perspective. Washington, D.C: Brookings Institution, 1990.
警告:這些引文格式不一定是100%准確.