-
1Nihongo kyōiku nenkan /日本語敎育年鑑 /Cyhoeddwyd 2000Pynciau “...Japanese language Study and teaching Periodicals....”
Cyfresol -
2Nihongo kyōzai gaisetsu /日本語教材槪説 /Cyhoeddwyd 1992Pynciau “...Japanese language Textbooks for foreign speakers Bibliography....”
Llyfr