Nils-Goran Olve, author
John Wiley & Sons, 2003
Buku Teks
Citra Ferima, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2012
UI - Tesis (Open)
Navarro, Peter, author
Pearson Education, 2006
Buku Teks
Pearce, John A., author
Richard D. Irwin, 1982
Buku Teks
Formisano, Roger A., author
McGraw-Hill, 2004
Buku Teks