PURBA, R. (1997). Analisis biaya dan manfaat (cost and benefit analysis). Rineka Cipta.
Chicago Style (17th ed.) CitationPURBA, Radiks. Analisis Biaya Dan Manfaat (cost and Benefit Analysis). Jakarta: Rineka Cipta, 1997.
MLA (9th ed.) CitationPURBA, Radiks. Analisis Biaya Dan Manfaat (cost and Benefit Analysis). Rineka Cipta, 1997.
Warning: These citations may not always be 100% accurate.