Council may adopt or incorporate by reference codes prepared by the State or any department, board or other agency or political subdivision of the State, or any standard or model ordinance or code prepared and promulgated by a public or private organization pertaining to such matters as the Council determines to be appropriate.  The ordinance or resolution adopting any standard ordinance or code shall make reference to the date and source of the standard ordinance or code without reproducing it at length in the ordinance or resolution.  Subsequent amendments or changes to standard codes may also be adopted and incorporated by reference.  When adopted by reference, publication of the standard ordinance or code shall not be required, but copies of same shall be kept in the office of the Clerk of Council to be available to interested persons.