Abdul Main
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2001
UI - Tesis Membership
Kochtanek, Thomas R.
Libraries Unlimited , 2002
Buku Teks
Westlake, Duncan R.
Ashgate, 1992
Buku Referensi
Laudon, Kenneth C., 1944-
Pearson, 2016
Buku Teks
edited by Russell C. Koza, Leonard L. Hurst and Gerald A. Giebink
Colorado Associated University Press, 1974
Buku Teks