Ifrah, G. (2005). The Universal history of numbers II: The modern number system (1st Ed.). New Delhi: Penguin books india.
Chicago Style CitationIfrah, Georges. The Universal History of Numbers II: The Modern Number System. 1st Ed. New Delhi: Penguin books india, 2005.
MLA CitationIfrah, Georges. The Universal History of Numbers II: The Modern Number System. 1st Ed. New Delhi: Penguin books india, 2005.
Warning: These citations may not always be 100% accurate.