Peterson, John M.
Prindle, Weber & Schmidt Inc, 1971
Buku Teks
Rimaris Sarintan Hotmalona, author
2010
UI - Tesis (Open)
Desti Arya Kuntarti, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2008
UI - Tesis Open
Sembiring, Yosua Apulta, author
Fakultas Teknik Universitas Indonesia, 2007
UI - Skripsi (Membership)
Kennedy, Walter, author
Bankers Publishing Company , 1958
Buku Teks