Basil Blackwell for the United Nations Industrial Development Organization, 1991
Buku Teks
Barnett, A. Doak (Arthur Doak), author
Overseas Development Council, 1979
Buku Teks
Beguin, Gilles
Harry N. Abrams, 1997
Buku Teks
Stephen A.Ross
Mc Graw Hill, 2009
Buku Teks
Brown, Lawrence D., author
Business Publications, 1987
Buku Teks