PURBA, R. (1997). Analisis biaya dan manfaat ( Cost and benefit ana lysis ) Cet. 1 / Radiks Purba. Rineka Cipta.
Chicago Style (17th ed.) CitationPURBA, Radiks. Analisis Biaya Dan Manfaat ( Cost and Benefit Ana Lysis ) Cet. 1 / Radiks Purba. Rineka Cipta, 1997.
MLA (8th ed.) CitationPURBA, Radiks. Analisis Biaya Dan Manfaat ( Cost and Benefit Ana Lysis ) Cet. 1 / Radiks Purba. Rineka Cipta, 1997.
Warning: These citations may not always be 100% accurate.