Washington, D.C. : National Center for Education Statistics, U.S. Dept. of Education, Office of Educational Research and Development : For sale by the U.S. G.P.O., Supt. Of Docs., 1994
Washington, DC : U.S. Dept. of Education, Office of Educational Research and Improvement, National Center for Education Statistics : [Supt. of Docs., U.S. G.P.O., distributor], 1995