Shiva Purana
स्थापयेत्पञ्चकलशान्दिक्षु मध्ये च देशिकः ॥ तेषु ब्रह्माणि मूलार्णैर्बिन्दुनादसमन्वितैः ॥ १५ ॥
The priest should place five urns on the four sides and in the middle. In these the Brahmans are rooted in arrows accompanied by the sound of dots.
english translation
sthApayetpaJcakalazAndikSu madhye ca dezikaH ॥ teSu brahmANi mUlArNairbindunAdasamanvitaiH ॥ 15 ॥
hk transliteration by Sanscript