Morita: Curso Primário das Linguas Nipo-Brasileiras N°1. Curitiba: Editora Guaíra, (partly in Japanese writing) [teilweise in japanischer Schrift] ed., ca. 1950, 6–7.
"The flag of the ‘Rising Sun’"
Morita
Editora Guaíra
Translation:
Balogh-Klaus, Teruko
Friedl, Sophie
Watson, Nicola
