Ramaḍān, ʿ. M. (2009). Rumūz al-arqām wa-'t-taqāwīm ʿala 'n-nuqūd fi 'l-ʿaṣr al-islāmī (aṭ-Ṭabʿa 1.). Maktabat Zahrāʾ aš-Šarq.
Chicago Style (17th ed.) CitationRamaḍān, ʿĀṭif Manṣūr. Rumūz Al-arqām Wa-'t-taqāwīm ʿala 'N-nuqūd Fi 'L-ʿaṣr Al-islāmī. aṭ-Ṭabʿa 1. al-Qāhira: Maktabat Zahrāʾ aš-Šarq, 2009.
MLA (9th ed.) CitationRamaḍān, ʿĀṭif Manṣūr. Rumūz Al-arqām Wa-'t-taqāwīm ʿala 'N-nuqūd Fi 'L-ʿaṣr Al-islāmī. aṭ-Ṭabʿa 1. Maktabat Zahrāʾ aš-Šarq, 2009.
Warning: These citations may not always be 100% accurate.