Gaya APA

Hok, D, I, T, S. (1942). The Result Of An Investigation Of The Eastern Part Of The Soekaboemi-Tjibadak Coalfield During June 6th - June 16th 2602 . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Hok, Dr., Ir., Tan, Sin. "The Result Of An Investigation Of The Eastern Part Of The Soekaboemi-Tjibadak Coalfield During June 6th - June 16th 2602". Bandung: Pusat Sumber Daya Geologi, 1942. Batubara.