Burja Vasile & Universitatea <U+0093>1 Decembrie 1918. Environmental management systems and companies sustainable performance in Romania.
Chicago-referens (17:e uppl.)Burja Vasile och Universitatea <U+0093>1 Decembrie 1918. Environmental Management Systems and Companies Sustainable Performance in Romania.
MLA-referens (9:e uppl.)Burja Vasile och Universitatea <U+0093>1 Decembrie 1918. Environmental Management Systems and Companies Sustainable Performance in Romania.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.