Gaya APA

Sujitno, S. (1981). Primary Tin Deposit in Indonesia (Geology and the Exploration) . : PT. Tambang Timah (Persero).

Gaya MLA

Sujitno, Sutedjo. "Primary Tin Deposit in Indonesia (Geology and the Exploration)". : PT. Tambang Timah (Persero), 1981. Text.