Blumenroder, U. (1997). German regulations on industrial products. Weinheim, Germany: Wiley-VCH.
Dyfyniad Arddull ChicagoBlumenroder, Ulrich. German Regulations On Industrial Products. Weinheim, Germany: Wiley-VCH, 1997.
Dyfyniad MLABlumenroder, Ulrich. German Regulations On Industrial Products. Weinheim, Germany: Wiley-VCH, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.