Shiva Purana
सुब्रह्मण्य उवाच ॥ एतदेव मुने गुह्यं शिवेन परिभाषितम् ॥ अम्बायाः शृण्वतो देव्या वामदेव ममापि हि ॥ १४ ॥
Subrahmaṇya said:— O sage, this very secret was narrated by Śiva while goddess Ambā and I listened.
english translation
subrahmaNya uvAca ॥ etadeva mune guhyaM zivena paribhASitam ॥ ambAyAH zRNvato devyA vAmadeva mamApi hi ॥ 14 ॥
hk transliteration by Sanscript