Jones. (1970). The geology and mineral resources of the Grik area, upper Perak. Ipoh, Perak: Geological Survey Headquarters.
Chicago Style CitationJones. The Geology and Mineral Resources of the Grik Area, Upper Perak. Ipoh, Perak: Geological Survey Headquarters, 1970.
MLA CitationJones. The Geology and Mineral Resources of the Grik Area, Upper Perak. Ipoh, Perak: Geological Survey Headquarters, 1970.
Warning: These citations may not always be 100% accurate.