Zichy, Shoya
Women and the leadership Q : the breakthrough system for achieving power and influence
McGraw-Hill , 2001
 Buku Teks
Leaver, Betty Lou
Achieving success in second language acquisition
Cambridge Press , 2005
 Buku Teks SO
Pietrzak, Theodore
Building career success skills: career development
[American Society for Training and Development Press;;, ], 2005
 eBooks
Tanadi Santoso
Career and business breakthrough = terobosan dalam karier dan bisnis
Pena Semesta, 2015
 Buku Teks
Gallo, Carmine, 1965-
The innovation secrets of Steve Jobs : insanely different : principles for breakthrough success
McGraw-Hill , 2011
 Buku Teks