Shiva Purana
कृष्णदर्शन उवाच ॥ विवादेऽस्मिन्हि नौ तात प्रमाणं जनकस्तव ॥ याहि तम्पृच्छ स ब्रूयात्तत्प्रमाणन्तु सत्यतः ॥ ३१ ॥
Kṛṣṇadarśana said:- O dear, in our dispute the ultimate authority is your father. Go to him and ask him. What he says will be true and final.
english translation
kRSNadarzana uvAca ॥ vivAde'sminhi nau tAta pramANaM janakastava ॥ yAhi tampRccha sa brUyAttatpramANantu satyataH ॥ 31 ॥
hk transliteration by Sanscript