Artikel Jurnal
Herwindo Hadi Wibowo, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2012
UI - Skripsi (Open)
Edwards, Harry T.
The Michie Company, 1991
Buku Teks
Reynolds, Lloyd G., author
Prentice-Hall, 1998
Buku Teks
Reynolds, Lloyd G., author
Prentice-Hall, 1982
Buku Teks