Kumar, R. (1985). Fundamentals of historical geology and stratigraphy of India. Wiley Eastern Limited.
Chicago-viite (17. p.)Kumar, Ravindra. Fundamentals of Historical Geology and Stratigraphy of India. New Delhi: Wiley Eastern Limited, 1985.
MLA-viite (9. p.)Kumar, Ravindra. Fundamentals of Historical Geology and Stratigraphy of India. Wiley Eastern Limited, 1985.
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