Shiva Purana
ततस्तत्पात्रमुद्धृत्य लिंगादेरुपरि क्रमात् ॥ त्रिः प्रदक्षिणयोगेन भ्रामयेन्मूलविद्यया ॥ ६२ ॥
Lifting the vessel, the devotee shall whirl it thrice above the phallic image in the manner of circumambulation, with the basic Mantra.
english translation
tatastatpAtramuddhRtya liMgAderupari kramAt ॥ triH pradakSiNayogena bhrAmayenmUlavidyayA ॥ 62 ॥
hk transliteration by Sanscript