Indonesia. Direktorat Jenderal Pengairan. Direktorat Perancang. (1975). Pre reconnaissance report on land and water resources on Bengkulu Province, Sumatera, Indonesia, September 1974. Directorate of Planning & Programming, Directorate General of Water Resources Development, Ministry of Public Works and Electric Power.
Παραπομπή σε μορφή Chicago (17η εκδ.)Indonesia. Direktorat Jenderal Pengairan. Direktorat Perancang. Pre Reconnaissance Report on Land and Water Resources on Bengkulu Province, Sumatera, Indonesia, September 1974. [Jakarta]: Directorate of Planning & Programming, Directorate General of Water Resources Development, Ministry of Public Works and Electric Power, 1975.
Παραπομπή σε μορφή MLA (8th εκδ.)Indonesia. Direktorat Jenderal Pengairan. Direktorat Perancang. Pre Reconnaissance Report on Land and Water Resources on Bengkulu Province, Sumatera, Indonesia, September 1974. Directorate of Planning & Programming, Directorate General of Water Resources Development, Ministry of Public Works and Electric Power, 1975.