Haley, Meyers Dennis. Mike Meyers' A+ Guide: Essentials Lab Manual Exam 220-601 / Meyers Dennis Haley. - New York: McGraw-Hill Osborne Media , 2007. - 316 P. ; 8.4 x 0.66 x 10.9 inches, ISBN: Dewey Class. No.: 621.3916 / HAL