Groen over Grenzen / / Jos Geysels, Jan Mertens, Marc Heughebaert, [Etc.].

MLA

Geysels, Jos, Jan Mertens, and Marc Heughebaert. Groen Over Grenzen. Brussel: Oikos, 2001.

APA

Geysels, J., Mertens, J., & Heughebaert, M. (2001). Groen over Grenzen. Brussel: Oikos.

Chicago

Geysels, Jos, Jan Mertens, and Marc Heughebaert. Groen Over Grenzen. Brussel: Oikos, 2001.