ISBN 9784183215154 books & textbook
Mukōyamagata kokugo de kodomo no tsumazuki ni taiōsuru 34 no jirei
Daisuke Tagami; TOSS Sapporo Mukōyamagata Kokugo Kenkyūkai.
Tōkyō : Meijitoshoshuppan, 2009. /2009-12-01 Tankobon Hardcover
isbn-10: 4183215153 / isbn-13: 9784183215154
