Buleka, J., & King, J. (1988). Geological mapping of Manugoro quarry, Central Province. Geological Survey of Papua New Guinea.
Lua i Stíl Chicago (17ú heag.)Buleka, J., agus J. King. Geological Mapping of Manugoro Quarry, Central Province. Port Moresby: Geological Survey of Papua New Guinea, 1988.
Lua MLA (9ú heag.)Buleka, J., agus J. King. Geological Mapping of Manugoro Quarry, Central Province. Geological Survey of Papua New Guinea, 1988.
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