Keighley, H.J.P., author
Pergamon Press, 1975
Buku Teks
Fowler, Richard J., author
McGraw-Hill , 2003
Buku Teks
Eaton, J.R.
The McMillan, 1952
Buku Teks
Muhammad Zulfizal Arnaz, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Tesis Membership
Gultom, Rudy P., author
Fakultas Teknik Universitas Indonesia, 1996
UI - Tesis Membership