Gaya APA
Subandoro, ., H.pudjowalujo, . (1978).
Iron Sand Occurrences In The Coastal Areas Of Flores .
Bandung:
Pusat Sumber Daya Geologi.
Gaya MLA
Subandoro, ., H.pudjowalujo, .
"Iron Sand Occurrences In The Coastal Areas Of Flores".
Bandung:
Pusat Sumber Daya Geologi,
1978.
Logam.