(1985). ENVIRONMENTAL STUDY OF THE PETROCHEMICALS INDUSTRY. SECTORAL WORKING PAPER SERIES. NO. 36. United Nations.
Chicago-Zitierstil (17. Ausg.)ENVIRONMENTAL STUDY OF THE PETROCHEMICALS INDUSTRY. SECTORAL WORKING PAPER SERIES. NO. 36. [S.l.]: United Nations, 1985.
MLA-Zitierstil (9. Ausg.)ENVIRONMENTAL STUDY OF THE PETROCHEMICALS INDUSTRY. SECTORAL WORKING PAPER SERIES. NO. 36. United Nations, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.