Kratovil, Robert, author
Prentice-Hall, 1974
Buku Teks
Bergfield, Philip B., author
McGraw-Hill, c1979
Buku Teks
Tanjung, Andy, author
Fakultas Teknik Universitas Indonesia, 2014
UI - Skripsi (Membership)
Rizki Kumoro Setiadi, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2015
UI - Skripsi Membership
Marsh, Lucy Allen
Little, Brown and Company, 1992
Buku Teks