Abraham, Ralph, author
Telos , 1995
Buku Teks
Mohammad Dedy Rizaldy, author
Fakultas Teknik Universitas Indonesia, 2005
UI - Tesis (Membership)
Walkup, Renee P., author
American Management Association, 2006
eBooks
Sri Pujiharjawasana, author
Fakultas Teknik Universitas Indonesia, 2002
UI - Tugas Akhir
Glisic, Savo G., author
John Wiley & Sons, 2011
Buku Teks