↑ Krieger, Larry S.; Kenneth Neill, Dr. Edward Reynolds (1997). "ch. 4". World History; Perspectives on the Past. Illinois: D.C. Heath and Company. pp. 82. ISBN 0-669-40533-7. "This book uses the traditional system for writing Chinese names, sometimes called the Wade-Giles system. This system is used in many standard reference books and in all books on China published before 1979."