325. hadíth
وَ قَدْ رُوِيَ: «فِي مَسْجِدِ اَلْمَدَائِنِ ».
It has also been narrated: "I'tikaf is permissible in the mosque of Al-Mada’in."
Man Lā Yaḥḍuruh al-Faqīh
Shaykh Muḥammad b. ʿAlī al-Ṣaduq
Book of Fasting
Chapter on I'tikaf (spiritual Retreat)
A fordítás angol nyelvű (Bab Ul Qaim Publications), forrás: Thaqalayn.net.