APA

Krieger J., Roder C. K. & Holst R. (2006). Bridge-maintenance and -management of the german federal highways. : TRA-Transport Research Arena Europe 2006: Göteborg, Sweden, June 12th-15th 2006: greener, safer and smarter road transport for Europe, Paper.

Chicago

Krieger Juergen, Roder Christian Kurt and Holst Ralph. 2006. Bridge-maintenance and -management of the german federal highways. : TRA-Transport Research Arena Europe 2006: Göteborg, Sweden, June 12th-15th 2006: greener, safer and smarter road transport for Europe, Paper.

Harvard

Krieger J., Roder C. K. and Holst R. (2006). Bridge-maintenance and -management of the german federal highways. : TRA-Transport Research Arena Europe 2006: Göteborg, Sweden, June 12th-15th 2006: greener, safer and smarter road transport for Europe, Paper.

MLA

Krieger Juergen, Roder Christian Kurt and Holst Ralph. Bridge-maintenance and -management of the german federal highways. : TRA-Transport Research Arena Europe 2006: Göteborg, Sweden, June 12th-15th 2006: greener, safer and smarter road transport for Europe, Paper. 2006.