Gaya APA
C.W.A.P.T'Hoen, ., S., L, V. (1959).
The Exploration Of Minerals In The Island Of Timor .
Bandung:
Direktorat Sumber Daya Mineral.
Gaya MLA
C.W.A.P.T'Hoen, ., S., L.J.C., Van.
"The Exploration Of Minerals In The Island Of Timor".
Bandung:
Direktorat Sumber Daya Mineral,
1959.
Bukan Logam.