Meier, Gerald M., author
Oxford University Press, 1965
Buku Teks
Graduate School of International Development Nagoya University, 2007
Majalah, Jurnal, Buletin
Sheldon Anderson ... [and others]
Westview Press, 2015
Buku Teks
Lancaster, Jeanette, author
Mosby, 1999
Buku Teks
Pan Books, 1980
Buku Teks