Saburo, O. (1993). Steps to the 21st century. Tokyo: The Japan Times.
Dyfyniad Arddull ChicagoSaburo, Okita. Steps to the 21st Century. Tokyo: The Japan Times, 1993.
Dyfyniad MLASaburo, Okita. Steps to the 21st Century. Tokyo: The Japan Times, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.