http://www.issia.cnr.it/ http://www.ba.iac.cnr.it/wp/ https://ntnucamp.sce.ntnu.edu.tw/ http://leda.elfak.ni.ac.rs/

Gaya APA

Brown, L, R. (1991). Saving the Planet : how to shape an environmentally sustainable global economy (1). : Worldwatch Institute.

Gaya MLA

Brown, Lester, R.. "Saving the Planet : how to shape an environmentally sustainable global economy". 1 : Worldwatch Institute, 1991. Non Fiction.