Pump, J. (1985). The changing face of chemicals: Proceedings of the international conference of the European Chemical Marketing Research Association ; Berlin, Germany, October 14 - 16, 1985. ECMRA Central Secretariat.
Chicago-Zitierstil (17. Ausg.)Pump, Joachim. The Changing Face of Chemicals: Proceedings of the International Conference of the European Chemical Marketing Research Association ; Berlin, Germany, October 14 - 16, 1985. West Wickham: ECMRA Central Secretariat, 1985.
MLA-Zitierstil (9. Ausg.)Pump, Joachim. The Changing Face of Chemicals: Proceedings of the International Conference of the European Chemical Marketing Research Association ; Berlin, Germany, October 14 - 16, 1985. ECMRA Central Secretariat, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.