ISBN 9784840436502 books & textbook
Rakuraku nyūmon nāsu no tameno tōnyōbyō gappeishō 30 : Patto mite wakaru irasuto tsuki
Masahito Ogura; Shin'ichi Harashima; Akihiro Hamasaki; Nobuya Inagaki
Suita : Medikashuppan, 2011. /2011-03-01 Tankobon Hardcover
isbn-10: 4840436509 / isbn-13: 9784840436502
