Farbey, A.D.
Crest Publishing House, 2001
Buku Teks
Randall, Geoffrey
Crest Publishing House, 2001
Buku Teks
Phelps, D.M.
Ill. Richard D. Irwin, Inc , 1947
Buku Teks
Markin, Rom J.
John Wiley & Sons, 1982
Buku Teks
Jogi Huxany Fatah
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Tesis (Membership)