APA (7 वां संस्करण) प्रशस्ति पत्र
Biller, D., & Nabi, I. (2013). Investing in infrastructure harnessing its potential for economic growth in Sri Lanka. World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Biller, Dan, और Ijaz Nabi. Investing in Infrastructure Harnessing Its Potential for Economic Growth in Sri Lanka. Washington, D.C.: World Bank, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Biller, Dan, और Ijaz Nabi. Investing in Infrastructure Harnessing Its Potential for Economic Growth in Sri Lanka. World Bank, 2013.
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