United States. Department of State. External Research Program & Heare, G. E. (1976). Brazil: Foreign relations of an emerging power : summary of studies prepared for the Department of State under the External Research Program. Dept. of State, External Research Program.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United States. Department of State. External Research Program và Gertrude E. Heare. Brazil: Foreign Relations of an Emerging Power : Summary of Studies Prepared for the Department of State Under the External Research Program. Washington, D.C.: Dept. of State, External Research Program, 1976.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)United States. Department of State. External Research Program và Gertrude E. Heare. Brazil: Foreign Relations of an Emerging Power : Summary of Studies Prepared for the Department of State Under the External Research Program. Dept. of State, External Research Program, 1976.