Hamel, Gary, author
Harvard Business School Press, 2002
Buku Teks
Bessant, John, author
Emerald, 2018
eBooks
Hamel, Gary, author
Baca!, 2007
Buku Teks
Morrisey, George L., author
Pearson Education Asia, 2002
Buku Teks
Fitri Nuzululhayati, author
Fakultas Psikologi Universitas Indonesia, 2013
UI - Tesis Membership