APA citiranje

Hufbauer, G. C. (1986). Trade protection in the United States: 31 case studies. Washington: Institute for international economics.

Trích dẫn kiểu Chicago

Hufbauer, Gary Clyde. Trade Protection in the United States: 31 Case Studies. Washington: Institute for international economics, 1986.

MLA citiranje

Hufbauer, Gary Clyde. Trade Protection in the United States: 31 Case Studies. Washington: Institute for international economics, 1986.