APA-referens (7:e uppl.)

European Diisocyanates and Polyol Producers Association. Recycling and Recovering Polyurethanes , options in prantise.

Chicago-referens (17:e uppl.)

European Diisocyanates and Polyol Producers Association. Recycling and Recovering Polyurethanes , Options in Prantise.

MLA-referens (9:e uppl.)

European Diisocyanates and Polyol Producers Association. Recycling and Recovering Polyurethanes , Options in Prantise.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.