Haag, Stephen. creator Cummings, Maeve. Rea, Alan I. text Boston McGraw-Hill Technology Education c2004 2nd ed. monographic xxxi, 556 p. : ill. (some col.) ; Electronic data processing 004 HAA 0072834110 (alk. paper) 0071214674 (international : alk. paper) http://www.loc.gov/catdir/toc/mh051/2003054084.html http://www.loc.gov/catdir/enhancements/fy0737/2003054084-b.html http://www.loc.gov/catdir/toc/mh051/2003054084.html http://www.loc.gov/catdir/enhancements/fy0737/2003054084-b.html