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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWorld Bank এবং India. Ministry of Environment and Forests. Strengthening Institutions for Sustainable Growth in the Highways Sector: India, Country Environment Analysis. New Delhi: World Bank, 2007.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিWorld Bank এবং India. Ministry of Environment and Forests. Strengthening Institutions for Sustainable Growth in the Highways Sector: India, Country Environment Analysis. World Bank, 2007.
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