Barnett, Raymond A., author
Prentice Hall International, 1996
Buku Teks
Bollens, John C., author
Harper and Row, 1975
Buku Teks
Bollens, John C., author
Harper and Row, 1970
Buku Teks
edited by M. Kabir Hassan
Edward Elgar Publishing, 2017
Buku Teks
The Export-Import Bank of Japan, 1991
Buku Teks