Gaya APA
Etsuko, T., Masako, W.
(2004).
Shokyuu Nihongo Bunpou Sou Matome Pointo 20
.
Tokyo:
3A Corporation.
Gaya MLA
Etsuko, Tomomatsu., Masako, Wakuri.
"Shokyuu Nihongo Bunpou Sou Matome Pointo 20".
Tokyo:
3A Corporation,
2004.
Text.