^John L. Esposito (2009). "Islam. Overview". In John L. Esposito (ed.). The Oxford Encyclopedia of the Islamic World. Oxford: Oxford University Press. doi:10.1093/acref/9780195305135.001.0001. ISBN9780195305135. Profession of Faith [...] affirms Islam's absolute monotheism and acceptance of Muḥammad as the messenger of God, the last and final prophet.
^F. E. Peters (2009). "Allāh". In John L. Esposito (ed.). The Oxford Encyclopedia of the Islamic World. Oxford: Oxford University Press. doi:10.1093/acref/9780195305135.001.0001. ISBN9780195305135. the Muslims' understanding of Allāh is based [...] on the Qurʿān's public witness. Allāh is Unique, the Creator, Sovereign, and Judge of humankind. It is Allāh who directs the universe through his direct action on nature and who has guided human history through his prophets, Abraham, with whom he made his covenant, Moses, Jesus, and Muḥammad, through all of whom he founded his chosen communities, the "Peoples of the Book."
^Page 50 "As early as Ibn Ishaq (85–151 AH) the biographer of Muhammad, the Muslims identified the Paraclete – referred to in John's ... "to give his followers another Paraclete that may be with them forever" is none other than Muhammad."