Ray, James Lee, author
Global politics
Houghton Mifflin, 1987
 Buku Teks
Pettinger, Richard
Global organizations
Capstone Publishing, 2002
 Buku Teks
Parks
Global Warning
 Buku Teks
Naisbitt, John, author
Global paradox
Avon Books, 1994
 Buku Teks
Keegan, Warren J., author
Global marketing
Prentice-Hall, 2000
 Buku Teks