The Council may adopt model or standard codes prepared and published by public or private agencies on such matters as building construction, plumbing, heating, ventilating, air conditioning, electric wiring, smoke regulation, fire prevention and other similar regulatory subjects by reference to the date and source of the code without reproducing the same in full in the ordinance. At least six (6) copies of all such codes shall be kept in the office of the City Manager for reference and consultation by interested persons during regular office hours and additional copies shall always be available for sale, at cost, by the City Manager. Any standard code adopted in this manner shall not be required to be published at length.