↑ Alchemy and Symbols, By M. E. Glidewell, Epsilon.
↑ Neugebauer, Otto; Van Hoesen, H. B. (1987). Greek Horoscopes. pp. 1, 159, 163.
↑ İslâm Ansiklopedisi (dalam bahasa Turki). 4. Istanbul: Türkiye Diyanet Vakfı. 1991. m/s. 298.
↑ "Like the Crusaders, the Christians of Europe were misled into a belief that the crescent was the religious symbol of Islam" Islamic Review 30 (1942), p. 70., "many Muslim scholars reject using the crescent moon as a symbol of Islam. The faith of Islam historically had no symbol, and many refuse to accept it.", Fiaz Fazli, Crescent magazine, Srinagar, September 2009, p. 42.
↑ "There is no more common error than the supposition that the crescent (or rather crescent and star) is an Islamic symbol, and even approved writers on Oriental subjects are apt to fall into it." James Hastings, Encyclopædia of Religion and Ethics, Volumes 11-12 (1928), p. 145.
