Lua APA (7ú heag.)

(1996). Privatized Infrastructure The Build Operate Transfer Approach Ed. C Walker, A J Smith. Thomas Telford.

Lua i Stíl Chicago (17ú heag.)

Privatized Infrastructure The Build Operate Transfer Approach Ed. C Walker, A J Smith. Thomas Telford, 1996.

Lua MLA (8ú heag.)

Privatized Infrastructure The Build Operate Transfer Approach Ed. C Walker, A J Smith. Thomas Telford, 1996.

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