Beenhakker, H. L., & Lago, A. M. (1983). Economic Appraisal Of Rural Roads: : Simplified Aperational Procedures For Screening And Appraisal (1. Edisyon.). IBRD.
Chicago Style (17. basım) AtıfBeenhakker, Henri L., ve A. M. Lago. Economic Appraisal Of Rural Roads: : Simplified Aperational Procedures For Screening And Appraisal. 1. Edisyon. Washington: IBRD, 1983.
MLA (9th ed.) AtıfBeenhakker, Henri L., ve A. M. Lago. Economic Appraisal Of Rural Roads: : Simplified Aperational Procedures For Screening And Appraisal. 1. Edisyon. IBRD, 1983.
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