Kalavakonda, V., & Mahul, O. (2005). Crop insurance in Karnataka. World Bank.
芝加哥风格引文Kalavakonda, Vijay, 与 Olivier Mahul. Crop Insurance in Karnataka. Washington, D.C: World Bank, 2005.
MLA引文Kalavakonda, Vijay, 与 Olivier Mahul. Crop Insurance in Karnataka. World Bank, 2005.
警告：这些引文格式不一定是100％准确.