Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Sullivan, Eugene J. and American Council on Education",Guide to external degree programs in the United States,2nd ed.,American Council on Education : Macmillan,1983,The American Council on Education/Macmillan series on higher education,,0029323509,,https://cir.nii.ac.jp/crid/1130000798094113280