Sunan an Nasai
2923
Sahih Isnaad Mauquf+2

Abdullah bin Umar said:"Speak little when you are perfoming Tawaf for you are in a state of Salah". (Sahih Mawquf)

Sahih Isnaad MauqufAbu Ghuddah
Sahih Isnaad MauqufAl-Albani