Smith, Paul
Encyclopedia of Strategic Management
Crest Publishing House, 2002
 Buku Teks
Amstrong, Michael
Encyclopedia of Strategic Management
Crest Publishing House, 2002
 Buku Teks
Wooton, Simon
Encyclopedia of Strategic Management
Crest Publishing, 2002
 Buku Teks
Hancaster, Geoff
Encyclopedia of Strategic Management
Crest Publishing House, 2002
 Buku Teks
Schwartz, David G.
Encyclopedia of knowledge management
Idea Group Reference, 2006
 Buku Teks