↑"Indian subcontinent". New Oxford Dictionary of English (ISBN 0-19-860441-6) New York: Oxford University Press, 2001; p. 929.
"Indian subcontinent" > Geology and Geography. The Columbia Electronic Encyclopedia, 6th ed. Columbia University Press, 2003: "region, S central Asia, comprising the countries of Pakistan, India and Bangladesh and the Himalayan states of Nepal and Bhutan. Sri Lanka, an island off the southeastern tip of the Indian peninsula, is often considered a part of the subcontinent."
↑Singh Yash Pal. Map Workbook. — V K Publications, 2008. — P. 4. — ISBN 978-8189611835.
↑John McLeod, The history of India, pages 1, Greenwood Publishing Group, 2002, ISBN 0-313-31459-4
↑Stephen Adolphe Wurm, Peter Mühlhäusler & Darrell T. Tryon, Atlas of languages of intercultural communication in the Pacific, Asia, and the Americas, pages 787, International Council for Philosophy and Humanistic Studies, Published by Walter de Gruyter, 1996, ISBN 3-11-013417-9
↑Haggett Peter. Encyclopedia of World Geography (Vol. 1). — Marshall Cavendish, 2001. — P. 2710. — ISBN 0-7614-7289-4.
