Shiva Purana
षोडशैरुपचारैश्च कुर्यात्तत्फलसिद्धये । पुष्पेण प्रोक्षणं कुर्यादभिषेकं समंत्रकम् ९ ।
In order to derive the full benefit of worship, the sixteen forms of service shall be observed. The sprinkling of water over the idol shall be performed with flowers. The pouring of water shall be performed with mantras.
english translation
SoDazairupacAraizca kuryAttatphalasiddhaye । puSpeNa prokSaNaM kuryAdabhiSekaM samaMtrakam 9 ।
hk transliteration by Sanscript