APA (7th ed.) Zitazioa
Spencer, R. (2003). Islam unveiled: Disturbing questions about the world's fastest-growing faith. Encounter Books.
Chicago Style (17th ed.) Zitazioa
Spencer, Robert. Islam Unveiled: Disturbing Questions About the World's Fastest-growing Faith. San Francisco: Encounter Books, 2003.
MLA (9th ed.) Zitazioa
Spencer, Robert. Islam Unveiled: Disturbing Questions About the World's Fastest-growing Faith. Encounter Books, 2003.
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