Maraini, Fosco
Kodansha AInternational, 1983
Buku Teks
Maraini, Fosco
Kodansha International, 1976
Buku Teks
Hori, Ichiro, author
University of Tokyo Press, 1968
Buku Teks
Kodama, Fumio, author
Harvard Business School Press, 1991
Buku Teks
Wagatsuma, Hiroshi
University of California Press, 1984
Buku Teks