APA-čujuhus (7. p.)
Heibach, J. (2015). Muhammad ʿAbd al-Malik al-Mutawakkil: A Political Biography. Vol 4 (2015). https://doi.org/10.17192/meta.2015.4.3260
Chicago-čujuhus (17. p.)
Heibach, Jens. "Muhammad ʿAbd Al-Malik Al-Mutawakkil: A Political Biography." Vol 4 (2015) 2015. https://doi.org/10.17192/meta.2015.4.3260.
MLA-čujuhus (9. p.)
Heibach, Jens. "Muhammad ʿAbd Al-Malik Al-Mutawakkil: A Political Biography." Vol 4 (2015), 2015, https://doi.org/10.17192/meta.2015.4.3260.
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