Churchill, Anthony, author
John Hopkins University Press, 1972
Buku Teks
Churchill, Anthony, author
The Johns Hopkins University , 1972
Buku Teks
Muhamad Isnuroso, author
Fakultas Eknonomi dan Bisnis Universitas Indonesia, 2009
UI - Tesis (Open)
Muhammad Audri, author
Fakultas Ekonomi dan Bisnis Unversitas Indonesia, 2016
UI - Skripsi (Membership)
Beattie, Bruce R., author
Gadjah Mada University Press, 1994
Buku Teks