Bevan, D., Collier, P., & Gunning, J. W. (1993). Agriculture and policy environment: Tanzania and Kenya. Organisation for Economic Co-operation and Development.
Chicago-referens (17:e uppl.)Bevan, David, Paul Collier, och Jan Willem Gunning. Agriculture and Policy Environment: Tanzania and Kenya. Paris: Organisation for Economic Co-operation and Development, 1993.
MLA-referens (9:e uppl.)Bevan, David, et al. Agriculture and Policy Environment: Tanzania and Kenya. Organisation for Economic Co-operation and Development, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.