Hadith 8:999
Abu Bakr narrated to us, he said: Waki’ narrated to us, from Sharik, from Abu Ishaq, who said: Abdullah said regarding the verse: "The Hajj is [during] well-known months," he said: Shawwal, Dhu al-Qi'dah, and ten days of Dhu al-Hijjah.
حدثنا أبو بكر قال حدثنا وكيع عن شريك عن أبي إسحاق قال قال عبد الله @QB@ الحج أشهر معلومات @QE@ قال شوال وذو القعدة وعشر ذي الحجة