Shiva Purana
अतस्तत्र शिवः साम्बो नित्यमेव समर्चयेत् ॥ लिंगवेदी महादेवी लिंगं साक्षान्महेश्वरः ॥ १३ ॥
Hence Śiva is worshipped therein for ever along with Śivā. The goddess is the pedestal of the Liṅga and Liṅga is lord Śiva himself.
english translation
atastatra zivaH sAmbo nityameva samarcayet ॥ liMgavedI mahAdevI liMgaM sAkSAnmahezvaraH ॥ 13 ॥
hk transliteration by Sanscript