@techreport{oai:ismrepo.ism.ac.jp:00031105,
 author = {Nakamura, Takashi and Maeda, Tadahiko and Tsuchiya, Takahiro and Matsumoto, Wataru and Nikaido, Kosuke},
 month = {Feb},
 note = {ISM Survey Research Report 102, 統計数理研究所調査研究リポート 102},
 title = {A Study of the Japanese National Character : The Twelfth Nationwide Survey(2008)─English Edition─},
 year = {2011}
}