Παραπομπή APA

European Environmental Citizens Organisation for Standardisation. (2003). Annual report 2002/2003. Brussels: ECOS.

Παραπομπή Chicago Style

European Environmental Citizens Organisation for Standardisation. Annual Report 2002/2003. Brussels: ECOS, 2003.

Παραπομπή MLA

European Environmental Citizens Organisation for Standardisation. Annual Report 2002/2003. Brussels: ECOS, 2003.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.