Kalavakonda, V., & Mahul, O. (2005). Crop insurance in Karnataka. World Bank.
Chicago Style aipamenaKalavakonda, Vijay, and Olivier Mahul. Crop Insurance in Karnataka. Washington, D.C: World Bank, 2005.
MLA aipamenaKalavakonda, Vijay, and Olivier Mahul. Crop Insurance in Karnataka. World Bank, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.