《组合数学(英文版)(第5版)》英文影印版由Pearson Education Asia Ltd．授权机械工业出版社独家出版。未经出版者书面许可，不得以任何方式复制或抄袭奉巾内容。仅限于中华人民共和国境内(不包括中国香港、澳门特别行政区和中同台湾地区)销售发行。《组合数学(英文版)(第5版)》封面贴有Pearson Education(培生教育出版集团)激光防伪标签，无标签者不得销售。English reprint edition copyright@2009 by Pearson Education Asia Limited and China Machine Press． Original English language title：Introductory Combinatorics，Fifth Edition(ISBN978—0—1 3-602040-0)by Richard A．Brualdi，Copyright@2010，2004，1999，1992，1977 by Pearson Education，lnc． All rights reserved． Published by arrangement with the original publisher，Pearson Education，Inc．publishing as Prentice Hall． For sale and distribution in the People’S Republic of China exclusively(except Taiwan，Hung Kong SAR and Macau SAR)．