Gaya APA
Kreaff, D, A. (1955).
Report On The Occurence Of Titanic Iron Ores Of Tjitanglar - Tjisitu .
Indonesia:
Pusat Sumber Daya Geologi.
Gaya MLA
Kreaff, Drs., A..
"Report On The Occurence Of Titanic Iron Ores Of Tjitanglar - Tjisitu".
Indonesia:
Pusat Sumber Daya Geologi,
1955.
Logam.