APA
(1988). Sustainable agriculture and the resource poor. London: IIED/UCL London Environmental Economics Centre.
Chicago
1988. Sustainable agriculture and the resource poor. London: IIED/UCL London Environmental Economics Centre.
Harvard
(1988). Sustainable agriculture and the resource poor. London: IIED/UCL London Environmental Economics Centre.
MLA
Sustainable agriculture and the resource poor. London: IIED/UCL London Environmental Economics Centre. 1988.