Cooper, William D. (William David), author
Erlangga, 1999
Buku Teks
Tooley, Michael H., author
Erlangga, 2003
Buku Teks
Universitas Indonesia, 1991
UI - Tugas Akhir
Handi Satrio, author
1988
UI - Skripsi (Membership)
Sipahutar, Mangasa Augustinus, author
Gorga Media, 2007
Buku Teks