Nakamura, K. & Agata, K., 2013 1月 1, Convergence of Telecommunications and Broadcasting in Japan, United Kingdom and Germany: Technological Change, Public Policy and Market Structure.Taylor and Francis, p. vii
Agata, K., 2013 1月 1, Convergence of Telecommunications and Broadcasting in Japan, United Kingdom and Germany: Technological Change, Public Policy and Market Structure.Taylor and Francis, p. 131-14010 p.