Mood, Alexander M. Introduction to the theory of statistics 3ed / Alexander M. Mood, Franklin A. Graybill and Duane C. Boes - [S.l.] : Tata McGraw-Hill, 2011. - 1 v. (unpaged) ; 22 cm. ISBN: 0070445206 (paperback) 9780070445208 (paperback) Dewey Class. No.: 311