@book{Ingels2007,
author = {Ingels, S.J. and Pratt, D.J. and Wilson, D. and Burns, L.J. and Currivan, D. and Rogers, J.E. and Hubbard-Bednasz, S.},
title= {Education Longitudinal Study of 2002: Base-year to second follow-up data file documentation (NCES 2008–347)},
year = {2007},
address = {Washington, D.C.},
publisher = {National Center for Education Statistics},
}