Keinhorst, J. (2003). Environmental-policy co-operation with central and eastern Europe.
Cita Chicago (17th ed.)Keinhorst, Jurgen. Environmental-policy Co-operation with Central and Eastern Europe. 2003.
Cita MLA (9th ed.)Keinhorst, Jurgen. Environmental-policy Co-operation with Central and Eastern Europe. 2003.
Atenció: Aquestes cites poden no estar 100% correctes.