APA引文

Keinhorst, J. (2003). Environmental-policy co-operation with central and eastern Europe.

Chicago Style (17th ed.) Citation

Keinhorst, Jurgen. Environmental-policy Co-operation with Central and Eastern Europe. 2003.

MLA引文

Keinhorst, Jurgen. Environmental-policy Co-operation with Central and Eastern Europe. 2003.

警告：這些引文格式不一定是100％准確.