APA
Reij C., . (1991). Indigenous soil and water conservation in Africa. London, UK: Sustainable Agriculture Programme of the International Institute for Environment and Development.
Chicago
Reij Chris, . 1991. Indigenous soil and water conservation in Africa. London, UK: Sustainable Agriculture Programme of the International Institute for Environment and Development.
Harvard
Reij C., . (1991). Indigenous soil and water conservation in Africa. London, UK: Sustainable Agriculture Programme of the International Institute for Environment and Development.
MLA
Reij Chris, . Indigenous soil and water conservation in Africa. London, UK: Sustainable Agriculture Programme of the International Institute for Environment and Development. 1991.