HERBERT, W. Japanberichte: Verkaufen und Verhandeln in Japan. MINIKOMI: Austrian Journal of Japanese Studies, [S. l.], n. 44, p. 30–34, 1997. Disponível em: https://journals.univie.ac.at/index.php/aaj/article/view/044_030-034_ART_HERBERT1997. Acesso em: 2 okt. 2022.