Gaya APA

Djumarna, U., S., K. (1969). Limestone Deposits In Riau Daratan-Djambi Northern Part Of South Sumatra, Central & Southeast Kalimantan And The Southern Part Of West Irian . Bandung: Limestone Deposits In Riau Daratan-Djambi Northern Part Of South Sumatra, Central & Southeast Kalima.

Gaya MLA

Djumarna, U.., S., Kadar. "Limestone Deposits In Riau Daratan-Djambi Northern Part Of South Sumatra, Central & Southeast Kalimantan And The Southern Part Of West Irian". Bandung: Limestone Deposits In Riau Daratan-Djambi Northern Part Of South Sumatra, Central & Southeast Kalima, 1969. Bukan Logam.