袁姿姜. (2007). 细节决定成败全集: Detail decision success or failure. 北方文艺出版社.
Dyfyniad Arddull Chicago袁姿姜. 细节决定成败全集: Detail Decision Success or Failure. 北方文艺出版社, 2007.
Dyfyniad MLA袁姿姜. 细节决定成败全集: Detail Decision Success or Failure. 北方文艺出版社, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.