Feder, G. (1982). Adoption of agricultural innovation in developing countries: A survey. World Bank.
Chicago Style aipamenaFeder, Gershon. Adoption of Agricultural Innovation in Developing Countries: A Survey. Washington: World Bank, 1982.
MLA aipamenaFeder, Gershon. Adoption of Agricultural Innovation in Developing Countries: A Survey. World Bank, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.