APA aipamena

Conway, G. R., & Barbier, E. B. (1990). After the green revolution: Sustainable agriculture for development. London: Earthscan Publications.

Chicago Style aipamena

Conway, Gordon R., and Edward B. Barbier. After the Green Revolution: Sustainable Agriculture for Development. London: Earthscan Publications, 1990.

MLA aipamena

Conway, Gordon R., and Edward B. Barbier. After the Green Revolution: Sustainable Agriculture for Development. London: Earthscan Publications, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.