^Trade and Trade Routes in Ancient India by Moti Chandra p.213
^Advanced Study in the History of Medieval India by Jaswant Lal Mehta p.37
^Power and Plenty: Trade, War, and the World Economy in the Second Millennium by Ronald Findlay, Kevin H. O'Rourke p.67
^Satish.، Chandra (2007). History of medieval India : 800-1700 page-29. Hyderabad, India: Orient Longman. ISBN:978-8125032267. OCLC:191849214.
^Nagapattinam to Suvarnadwipa: Reflections on the Chola Naval Expeditions to Southeast Asia, Institute of Southeast Asian Studies, p.170
^Cultural Sociology of the Middle East, Asia, and Africa: An Encyclopedia by Andrea L. Stanton, Edward Ramsamy, Peter J. Seybolt, Carolyn M. Elliott p.18
^The Sea and Civilization: A Maritime History of the World by Lincoln Paine p.866