Gale Group & Martin, R. C. (2016). Encyclopedia of Islam and the Muslim world (Second edition.). Gale, Cengage Learning.
Chicago-viite (17. p.)Gale Group ja Richard C. Martin. Encyclopedia of Islam and the Muslim World. Second edition. Farmington Hills, Michigan: Gale, Cengage Learning, 2016.
MLA-viite (9. p.)Gale Group ja Richard C. Martin. Encyclopedia of Islam and the Muslim World. Second edition. Gale, Cengage Learning, 2016.
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