Rudy Yulianto, author
2003
UI - Tesis (Membership)
Delan Gunarsih, author
Universitas Indonesia, 2007
UI - Skripsi (Membership)
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1990
UI - Skripsi (Membership)
Prigent, Jean-Luc, author
Chapman & Hall/CRC , 2007
Buku Teks
Speinkel, Beryl W., author
Dow Jones-Irwin, 1977
Buku Teks