Gaya APA
Gianto, B. (1964).
Purification Of Quartz From Tjibadak's Quartz Sandstones .
Bandung:
Pusat Sumber Daya Geologi.
Gaya MLA
Gianto, Bernardinus.
"Purification Of Quartz From Tjibadak's Quartz Sandstones".
Bandung:
Pusat Sumber Daya Geologi,
1964.
Bukan Logam.