Cita APA (7a ed.)

Usui, H. (2011). Ikkai de gokaku nihongo noryoku shiken n1 bunpo taisaku (First edition.). Takahashishoten.

Cita Chicago Style (17a ed.)

Usui, Hiromi. Ikkai De Gokaku Nihongo Noryoku Shiken N1 Bunpo Taisaku. First edition. Tokyo: Takahashishoten, 2011.

Cita MLA (9a ed.)

Usui, Hiromi. Ikkai De Gokaku Nihongo Noryoku Shiken N1 Bunpo Taisaku. First edition. Takahashishoten, 2011.