Herath, J. W. (1975). Mineral resources of Sri Lanka. Geological Survey Dept., Ministry of Industries and Scientific Affairs, Republic of Sri Lanka (Ceylon).
Chicagoスタイル(17版)引用形式Herath, J. W. Mineral Resources of Sri Lanka. Colombo: Geological Survey Dept., Ministry of Industries and Scientific Affairs, Republic of Sri Lanka (Ceylon), 1975.
MLA(8版)引用形式Herath, J. W. Mineral Resources of Sri Lanka. Geological Survey Dept., Ministry of Industries and Scientific Affairs, Republic of Sri Lanka (Ceylon), 1975.
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