Trích dẫn APA

Germany. The Federal Minister for Research and Technology. (1989). Environmental research and technology: Programme 1989-1994. The Federal Minister for Research and Technology.

Trích dẫn kiểu Chicago

Germany. The Federal Minister for Research and Technology. Environmental Research and Technology: Programme 1989-1994. Bonn: The Federal Minister for Research and Technology, 1989.

Trích dẫn MLA

Germany. The Federal Minister for Research and Technology. Environmental Research and Technology: Programme 1989-1994. The Federal Minister for Research and Technology, 1989.

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