各位大哥，大姐们，我想买本原版的英文书籍，但是不知道如何买，请问有谁知道啊，小弟在此多谢了
1------------Principles of Engineering Economic Analysis, 5th Edition

John A. White, Kenneth E. Case, David B. Pratt

ISBN: 978-0-470-11396-7

Hardcover

908 pages

January 2009

2------------------------Fundamentals of Engineering Economics (2nd Edition) (Hardcover) by Chan S. Park

如何才能买到，各位帮帮忙，要多少金币你随便说，只有我够，全给都行！！！