APA (7. basım) Alıntı

Sri Lanka. Dept. of Geological Survey. Administration reports of the Director of Geological Survey. Dept. of Geological Survey].

Chicago Style (17. basım) Atıf

Sri Lanka. Dept. of Geological Survey. Administration Reports of the Director of Geological Survey. [Colombo: Dept. of Geological Survey].

MLA (8th ed.) Atıf

Sri Lanka. Dept. of Geological Survey. Administration Reports of the Director of Geological Survey. Dept. of Geological Survey].

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