Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
Canada. Dominion Bureau of Statistics. Manufacturing and Primary Industries Division,Ready-mix concrete manufacturers : annual census of manufactures,,"Published by Authority of the Minister of Trade and Commerce,Dominion Bureau of Statistics. Manufacturing and Primary Industries Division",1968,Catalogue,,,,https://cir.nii.ac.jp/crid/1130282269883306240