Shiva Purana
देव्युवाच ॥ त्वत्तो लब्धपदा एव सर्वे ब्रह्मादयः सुराः ॥ तथाप्याराध्य तपसा ब्रह्माणं त्वन्नियोगतः ॥ ५५ ॥
The goddess said:— All the demigods, headed by Brahmā, have obtained their feet from You. Yet by your command I worshiped Brahma by austerities.
english translation
devyuvAca ॥ tvatto labdhapadA eva sarve brahmAdayaH surAH ॥ tathApyArAdhya tapasA brahmANaM tvanniyogataH ॥ 55 ॥
hk transliteration by Sanscript