APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

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