Ritsumeikan Ajia Taiheiyō Daigaku. <br/><br/>
Nihongo itsutsu no tobira. sabaibaru. 
 日本語5つのとびら. サバイバル編 

 - Tōkyō :  Bonjinsha,  2007. 
 - 185 p 
<br/><br/><label>ISBN: </label>9784893587664 
<br/><br/><label>Subjects--Topical Terms: </label><br/>nihongo -- kenkyūshidō.
<br/><br/><label>LC Class. No.: </label>PL539  / .R545