Śukadeva Gosvāmī said: After Vasudeva advised Nanda Mahārāja in this way, Nanda Mahārāja and his associates, the cowherd men, took permission from Vasudeva, yoked their bulls to the bullock carts, and started riding for Gokula.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
श्रीशुक उवाच । इति नन्दादयो गोपाः प्रोक्तास्ते शौरिणा ययुः । अनोभिरनडुद्युक्तैस्तमनुज्ञाप्य गोकुलम्
śrīśuka uvāca | iti nandādayo gopāḥ proktāste śauriṇā yayuḥ | anobhiranaḍudyuktaistamanujñāpya gokulam
SB 10.5.32