authors, Emma S. Bullock [and others] ; with John H. Betts [and others] ; editors, Jeff W. Harris and Gloria A. Staebler ; illustrators, Alisa Abrahamson [and others]
prepared by the International Scanning Study Team, Tommy L. Beatty ... [and others] and American Trade Initiatives, Inc. and Avalon Integrated Services, Inc. for the Federal Highway Administration, U.S. Department of Transportation .. [and others].