Herath, J. W. (1975). Mineral resources of Sri Lanka. Geological Survey Dept., Ministry of Industries and Scientific Affairs, Republic of Sri Lanka (Ceylon).
Chicago-Zitierstil (17. Ausg.)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-Zitierstil (8. Ausg.)Herath, J. W. Mineral Resources of Sri Lanka. Geological Survey Dept., Ministry of Industries and Scientific Affairs, Republic of Sri Lanka (Ceylon), 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.