TY - BOOK AU - THOMPSON,WILLAM A AU - CLEGG,RICHARD TI - MODERN SPORTS OFFICIALES: A PRACTICAL GUIDE / U1 - 796 PY - 1993/// CY - [S.N] : PB - WCB BROWN & BENCHANARK ، KW - BASEBALL KW - SPORT OFFICIATING KW - BASKETBALL KW - FOOTBALL KW - VOLLEBALL ER -