McGraww-Hill, 1979
Buku Teks
Pandya, Jayshree, author
Springer, 2012
eBooks
Beck, Ulrich, author
Malden, MA :Polity Press, 2005
Buku Teks
Yamamoto Tadashi, Kim Gould Ashizawa
Japan Center for International Exchange, 2001
Buku Teks
Birch, David, 1950-, author
Allen & Unwin, 2001
Buku Teks