Shiva Purana
ततः पंचाण्गपाठं च कुर्य्याद्वेदविचक्षणः । देवागात्विति मंत्रेण कुर्याच्छंभोर्विसर्जनम् ३७ ।
Pañcāṅgapāṭha shall then be performed by the Vedic scholar. Then Visarjana (Ritualistic farewell) shall be performed with the mantra “Devā gātu”॥ 52॥ etc.
english translation
tataH paMcANgapAThaM ca kuryyAdvedavicakSaNaH । devAgAtviti maMtreNa kuryAcchaMbhorvisarjanam 37 ।
hk transliteration by Sanscript