EU Advanced Study Course, Hacker, J., & Pelchen, A. (1999). Goals and economic instruments for the achievement of global warming mitigation in Europe: Proceedings of the EU Advanced Study Course held in Berlin, Germany, July 1997. Kluwer Academic.
Παραπομπή σε μορφή Chicago (17η εκδ.)EU Advanced Study Course, Jurgen Hacker, και Arthur Pelchen. Goals and Economic Instruments for the Achievement of Global Warming Mitigation in Europe: Proceedings of the EU Advanced Study Course Held in Berlin, Germany, July 1997. Dordrecht: Kluwer Academic, 1999.
Παραπομπή σε μορφή MLA (9th εκδ.)EU Advanced Study Course, et al. Goals and Economic Instruments for the Achievement of Global Warming Mitigation in Europe: Proceedings of the EU Advanced Study Course Held in Berlin, Germany, July 1997. Kluwer Academic, 1999.