APA-čujuhus (7. p.)
Calvert, J. (2013). Sayyid Qutb and the origins of radical Islamism. Oxford University Press.
Chicago-čujuhus (17. p.)
Calvert, John. Sayyid Qutb and the Origins of Radical Islamism. New York, New York: Oxford University Press, 2013.
MLA-čujuhus (9. p.)
Calvert, John. Sayyid Qutb and the Origins of Radical Islamism. Oxford University Press, 2013.
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