Gaya APA
How, G, T. (1962).
Geological Investigations Performed For The Soda-Ash Project In Indonesia Part F The Gresk-Bungah Area .
Bandung:
Pusat Sumber Daya Geologi.
Gaya MLA
How, Goei, Tjoe.
"Geological Investigations Performed For The Soda-Ash Project In Indonesia Part F The Gresk-Bungah Area".
Bandung:
Pusat Sumber Daya Geologi,
1962.
Bukan Logam.