APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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

Upozorenje: Ovi citati možda nisu uvijek 100% točni.