Paper copies available  on the resource you want look at the atb bar, there should be an option to turn it into a photo graph. click that and wait. copy and paste the image onto word, set the page size to 'A3 (scaled)' , you will then need to add another page and paste another copy of the image, crop both images to approximatley half so that one shows the top and the other shows the bottom, you can them print it off on A3 paper  - if using the behaviorist approach resource then you only need to paste it onto the A3 sized word document and print it, you do not need to crop etc-