Feder, G. (1981). Adoption of agricultural innovations in developing countries: A survey. World Bank.
Chicago Style aipamenaFeder, Gershon. Adoption of Agricultural Innovations in Developing Countries: A Survey. Washington: World Bank, 1981.
MLA aipamenaFeder, Gershon. Adoption of Agricultural Innovations in Developing Countries: A Survey. World Bank, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.