Andoza:Kennedy-The Armies of the Caliphs
Kennedy, Hugh. The Armies of the Caliphs: Military and Society in the Early Islamic State. London and New York: Routledge, 2001. ISBN 0-415-25093-5.
Kennedy, Hugh. The Armies of the Caliphs: Military and Society in the Early Islamic State. London and New York: Routledge, 2001. ISBN 0-415-25093-5.