Witkam, J. J. Catalogue of Arabic manuscripts in the Library of the University of Leiden and other collections in the Netherlands.
استشهاد بنمط شيكاغوWitkam, Jan Just. Catalogue of Arabic Manuscripts in the Library of the University of Leiden and Other Collections in the Netherlands.
MLA استشهادWitkam, Jan Just. Catalogue of Arabic Manuscripts in the Library of the University of Leiden and Other Collections in the Netherlands.
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