Khalify bez khalifata : islamskie nepravitelʹstvennye religiozno-politicheskie organiza︠t︡sii na Blizhnem Vostoke : istori︠i︡a, ideologi︠i︡a, de︠i︡atelʹnostʹ - Ignatenko, A. A. (Aleksandr Aleksandrovich), 1947- ("Nauka," Glav. red. vostochnoĭ lit-ry, 1988)