مِشْكَاةُ الْمَصَابِيحِ
Mishkat al-Masabih 537
Purification
Washing as Established by the Sunna - Section 1
عَنِ ابْنِ عُمَرَ رَضِيَ اللَّهُ عَنْهُمَا قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «إِذَا جَاءَ أَحَدُكُمُ الْجُمُعَةَ فَلْيَغْتَسِلْ»
Ibn ‘Umar reported God’s messenger as saying, “When any of you goes to the Friday prayer he should bathe.” (Bukhari and Muslim.)
Mishkat al-Masabih, 537مُتَّفق عَلَيْهِ (الألباني)