Chong, A., Hentschel, J., & Saavedra, J. (2004). Bundling services and household welfare in developing countries: The case of Peru. World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChong, Alberto, Jesko Hentschel, और Jaime Saavedra. Bundling Services and Household Welfare in Developing Countries: The Case of Peru. [Washington, D.C: World Bank, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChong, Alberto, et al. Bundling Services and Household Welfare in Developing Countries: The Case of Peru. World Bank, 2004.
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