Workshop on Critical Limits and Effect Based Approaches for Heavy Metals and Persistent Organic Pollutants Harzburg. (1998). Proceedings: Bad Harzburg, Germany, 3. - 7. November 1997. Umweltbundesamt.
Chicago-Zitierstil (17. Ausg.)Workshop on Critical Limits and Effect Based Approaches for Heavy Metals and Persistent Organic Pollutants Harzburg. Proceedings: Bad Harzburg, Germany, 3. - 7. November 1997. Berlin: Umweltbundesamt, 1998.
MLA-Zitierstil (9. Ausg.)Workshop on Critical Limits and Effect Based Approaches for Heavy Metals and Persistent Organic Pollutants Harzburg. Proceedings: Bad Harzburg, Germany, 3. - 7. November 1997. Umweltbundesamt, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.