Fourth Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
5:17dixitque Naaman ut vis sed obsecro concede mihi servo tuo ut tollam onus duorum burdonum de terra non enim faciet ultra servus tuus holocaustum aut victimam diis alienis nisi Domino
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.