Gaya APA
Lehmann, B., Berlin, . (1988).
TECHNICAL COOPERATION VOL.4 SUBPROJECT TANJUNG PANDAN, BELITUNG .
Bandung:
Federal Republic Of Germany.
Gaya MLA
Lehmann, Bernd., Berlin, .
"TECHNICAL COOPERATION VOL.4 SUBPROJECT TANJUNG PANDAN, BELITUNG".
Bandung:
Federal Republic Of Germany,
1988.
Geologi Umum.