Singarimbun, I. (2007). PROSPEK PENGEMBANGAN BIODIESEL PTPN IV. UGM.
Chicago Style (17th ed.) CitationSingarimbun, Immanuel. PROSPEK PENGEMBANGAN BIODIESEL PTPN IV. UGM, 2007.
MLA (8th ed.) CitationSingarimbun, Immanuel. PROSPEK PENGEMBANGAN BIODIESEL PTPN IV. UGM, 2007.
Warning: These citations may not always be 100% accurate.