Bonds issued pursuant to Sections 57-67-19 through 57-67-31 shall not be deemed to constitute a debt, liability or obligation of the contracting public agency or political subdivisions, within the meaning of any constitutional or statutory limitation, nor shall such bonds constitute a pledge of the full faith and credit of the state or the contracting public agency or political subdivisions, but shall be payable solely from the revenues, moneys and funds of the authority pledged therefor. Each bond shall contain on the face thereof a statement to the effect that the authority shall not be obligated to pay the same nor the interest thereon except from those sources above mentioned and pledged therefor and that neither the full faith and credit nor the taxing power of the state or any political subdivision thereof is pledged to the payment of the principal of or the interest on such bond.