Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.