Bigg, T. (2004). Survival for a small planet: The sustainable development agenda. Earthscan.
Chicago Style aipamenaBigg, Tom. Survival for a Small Planet: The Sustainable Development Agenda. USA: Earthscan, 2004.
MLA aipamenaBigg, Tom. Survival for a Small Planet: The Sustainable Development Agenda. Earthscan, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.