Gaya APA

HISAHIKO, O., TOKUMA, Y, [. (1997). Kokka wa dare ga mamoru ka (ed. 2). Tokyo: Tokuma Shoten.

Gaya MLA

HISAHIKO, Okazaki., TOKUMA, Yasuma, [ed.]. "Kokka wa dare ga mamoru ka". ed. 2 Tokyo: Tokuma Shoten, 1997. Text.