Nas, T. F. (1996). Cost-benefit analysis: Theory and application. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Nas, Tevfik F. Cost-benefit Analysis: Theory and Application. Thousand Oaks Calif: Sage Publications, 1996.
Lua MLA (9ú heag.)Nas, Tevfik F. Cost-benefit Analysis: Theory and Application. Sage Publications, 1996.
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