Maxwell, John C., author
Menuju Insan Cemerlang (MIC), 2014
Buku Teks
Walters, Jamie S, author
Bhuana Ilmu Populer, 2005
Buku Teks
Eddy Budiono
Gibon Books, 2008
Buku Teks
Kotter, John P., 1947-, author
Kompas Gramedia , 2011
Buku Teks
Pella, Darmin A.
2005
UI - Tesis (Membership)