(1996). Privatized Infrastructure The Build Operate Transfer Approach Ed. C Walker, A J Smith. Thomas Telford.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPrivatized Infrastructure The Build Operate Transfer Approach Ed. C Walker, A J Smith. Thomas Telford, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPrivatized Infrastructure The Build Operate Transfer Approach Ed. C Walker, A J Smith. Thomas Telford, 1996.
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