Development, D. G. o. W. R. (1980). Invitation document for local consulting engineer\'s services of Simalungun irrigation project. Directorate of Irrigation.
Chicago Style (17th ed.) CitationDevelopment, Directorate General of Water Recources. Invitation Document for Local Consulting Engineer\'s Services of Simalungun Irrigation Project. Directorate of Irrigation, 1980.
MLA (8th ed.) CitationDevelopment, Directorate General of Water Recources. Invitation Document for Local Consulting Engineer\'s Services of Simalungun Irrigation Project. Directorate of Irrigation, 1980.
Warning: These citations may not always be 100% accurate.