Bridger, G. A., & Winpenny, J. (1987). Planning development projects: A practical guide to the choice and appraisal of public sector investments. H.M.S.D..
Chicago Style (17. basım) AtıfBridger, Gordon A., ve J.T Winpenny. Planning Development Projects: A Practical Guide to the Choice and Appraisal of Public Sector Investments. London: H.M.S.D., 1987.
MLA (9th ed.) AtıfBridger, Gordon A., ve J.T Winpenny. Planning Development Projects: A Practical Guide to the Choice and Appraisal of Public Sector Investments. H.M.S.D., 1987.
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