Kenichi Ohmae, author
McGraw-Hill , 1982
Buku Teks
Raheb-Mol, Joanne., author
Oxford University Press, 1998
Buku Referensi
Ienaga, Saburo
Weatherhill, 1979
Buku Teks
edited by Charles A. Moore
University of Hawaii Press, 1967
Buku Teks
Lewis-Williams, David, author
Thames & Hudson, 2002
Buku Teks