Dyfyniad APA

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

Dyfyniad Arddull 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.

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.