Kijima, H., Hatta, N., & Shibahara, T. (2013). Marugoto: Japanese language and culture starter a1 coursebook for communicative language competences (First edition.). Sanshusha.

Kijima, Hiromi, Naomi Hatta, and Tomoyo Shibahara. Marugoto: Japanese Language and Culture Starter A1 Coursebook for Communicative Language Competences. First edition. Tokyo: Sanshusha, 2013.

Kijima, Hiromi, et al. Marugoto: Japanese Language and Culture Starter A1 Coursebook for Communicative Language Competences. First edition. Sanshusha, 2013.