Head First Design Patterns Poster (PDF英文版)
(PDF 英文版)
by Eric Freeman, Elisabeth Freeman
Poster: 8 pages
Publisher: O'Reilly (September 1, 2005)
ISBN-10: 0596102143
ISBN-13: 978-0596102142
就是英文版的“学习伴侣”图。详细介绍在此:http://oreilly.com/catalog/9780596102142/index.html