Georgiou, S. G. (1997). Economic values and the environment in the developing world. E. Elgar Pub.
Chicago Style aipamenaGeorgiou, Stavros G. Economic Values and the Environment in the Developing World. Cheltenham, UK, Lyme, N.H: E. Elgar Pub, 1997.
MLA aipamenaGeorgiou, Stavros G. Economic Values and the Environment in the Developing World. E. Elgar Pub, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.