Fitch, F. H. (1955). The geology and mineral resources of part of the Segama Valley and Darvel Bay area colony of North Borneo: [mit] 1 geological map 1:125000.
Chicago-Zitierstil (17. Ausg.)Fitch, Frederick Harry. The Geology and Mineral Resources of Part of the Segama Valley and Darvel Bay Area Colony of North Borneo: [mit] 1 Geological Map 1:125000. Kuching, 1955.
MLA-Zitierstil (9. Ausg.)Fitch, Frederick Harry. The Geology and Mineral Resources of Part of the Segama Valley and Darvel Bay Area Colony of North Borneo: [mit] 1 Geological Map 1:125000. 1955.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.