APA-čujuhus (7. p.)
Ibrahim ,Ishak. (1982). Black Gold and Holy War: The Religious Secret Behind the Petrodollar. Haggai Institute.
Chicago-čujuhus (17. p.)
Ibrahim ,Ishak. Black Gold and Holy War: The Religious Secret Behind the Petrodollar. Wilts: Haggai Institute, 1982.
MLA-čujuhus (9. p.)
Ibrahim ,Ishak. Black Gold and Holy War: The Religious Secret Behind the Petrodollar. Haggai Institute, 1982.
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