Cita APA

Barbier, E., Markandya, A., & Pearce, D. (2006). Blueprint for a green economy.

Chicago Edition Citation

Barbier, Edward, Anil Markandya, i David Pearce. Blueprint for a Green Economy. London, Earth Scan, 2006.

Cita MLA

Barbier, Edward, et al. Blueprint for a Green Economy. 2006.