استنبول"İstanbul'un adları" ["The names of Istanbul "]. In: Dünden bugüne İstanbul ansiklopedisi, ed. Türkiye Kültür Bakanlığı, Istanbul . Grosvenor, Edwin Augustus (1895)
استانبول مېټروcom/turkey/where-is-the-istanbul -subway-system-headed-21715 https://www.trtworld.com/turkey/where-is-the-istanbul -subway-system-headed-21715 "Istanbul Railway Network
اسکوپیهskopje.gov.mk/DesktopDefault.aspx?tabindex=0&tabid=172 https://www.ibb.istanbul /icerik/kardes-sehirler https://www.dresden.de/de/leben/stadtportrait/e
د 2004 کال د استانبول غونډه level Istanbul , Turkey, 29 June 2004, [۴] Archived 9 May 2007 at the Wayback Machine. N. BUTLER, "Deep Divisions over Iraq at NATO's Istanbul Summit"
انجامناAttribution 3.0 Unported پیوستون : 52cd9b97-6777-4d6a-88a3-cde29c153815 — خپرونکی: MetaBrainz Foundation https://www.ibb.istanbul /icerik/kardes-sehirler