Gaya APA
YWCA, N., Gurupu, K, S. (2010).
Chūkyū Reberu Wakatte Tsukaeru Nihongo – Renshū Mondai .
Tokyo:
3A Network.
Gaya MLA
YWCA, Nagoya., Gurupu, Kyozai, Sakusei.
"Chūkyū Reberu Wakatte Tsukaeru Nihongo – Renshū Mondai".
Tokyo:
3A Network,
2010.
BK.