Conway, G. R., & Barbier, E. B. (1990). After the green revolution: Sustainable agriculture for development. London: Earthscan Publications.
Citazione stile Chigago Style (17a edizione)Conway, Gordon R., e Edward B. Barbier. After the Green Revolution: Sustainable Agriculture for Development. London: Earthscan Publications, 1990.
Citatione MLA (8a ed.)Conway, Gordon R., e Edward B. Barbier. After the Green Revolution: Sustainable Agriculture for Development. London: Earthscan Publications, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.