Burja Vasile & Universitatea <U+0093>1 Decembrie 1918. Environmental management systems and companies sustainable performance in Romania.
Chicago-viite (17. p.)Burja Vasile ja Universitatea <U+0093>1 Decembrie 1918. Environmental Management Systems and Companies Sustainable Performance in Romania.
MLA-viite (9. p.)Burja Vasile ja Universitatea <U+0093>1 Decembrie 1918. Environmental Management Systems and Companies Sustainable Performance in Romania.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.