Citazione APA

Herath, J. W. (1975). Mineral resources of Sri Lanka. Geological Survey Dept., Ministry of Industries and Scientific Affairs, Republic of Sri Lanka (Ceylon).

Stile di citazione Chicago

Herath, J. W. Mineral Resources of Sri Lanka. Colombo: Geological Survey Dept., Ministry of Industries and Scientific Affairs, Republic of Sri Lanka (Ceylon), 1975.

Citazione MLA

Herath, J. W. Mineral Resources of Sri Lanka. Geological Survey Dept., Ministry of Industries and Scientific Affairs, Republic of Sri Lanka (Ceylon), 1975.