Gaya APA

1425, D, G, L, N. (1961). Engineering geological investigation of the Riam Kanan Project, Kalimantan Selatan . : .

Gaya MLA

1425, DIREKTORAT, GEOLOGI-GTH, Lap., No.. "Engineering geological investigation of the Riam Kanan Project, Kalimantan Selatan". : , 1961. Laporan.