Grant, Eugene Lodewick
Erlangga, 1988
Buku Teks SO
Alfa Sri Aditya
Fakultas Teknik Universitas Indonesia, 1996
UI - Skripsi Membership
Ade Yahya
2001
UI - Skripsi Membership
Wellyanto
Universitas Indonesia, 1994
UI - Skripsi Membership
by Howard S. Gitlow [and others]
McGraw-Hill , 2005
Buku Teks SO