Abelson, P. W. (1996). Project Appraisal And Valvation Of The Environment: General Principles And Six Case-Studies In Developingcountries (1. Edisyon.). Macmillan.
Chicago Style (17. basım) AtıfAbelson, Peter W. Project Appraisal And Valvation Of The Environment: General Principles And Six Case-Studies In Developingcountries. 1. Edisyon. New York: Macmillan, 1996.
MLA (9th ed.) AtıfAbelson, Peter W. Project Appraisal And Valvation Of The Environment: General Principles And Six Case-Studies In Developingcountries. 1. Edisyon. Macmillan, 1996.
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