(2007). Chuukyuu nihongo bunpou youtenseri point 20. [S.l.]: [s.n.].
Trích dẫn kiểu ChicagoChuukyuu Nihongo Bunpou Youtenseri Point 20. [S.l.]: [s.n.], 2007.
MLA引文Chuukyuu Nihongo Bunpou Youtenseri Point 20. [S.l.]: [s.n.], 2007.
警告:这些引文格式不一定是100%准确.