アメリカ合衆国の地域 (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "アメリカ合衆国の地域" in Japanese language version.

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2,290^th place

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archives.gov

“Appedix A: District Description and Maps”. Energy Information Administration (2012年10月). 2012年1月3日閲覧。
“PADD Definitions”. Energy Information Administration. 2012年1月3日閲覧。
“Annual Energy Outlook 2012”. Energy Information Administration (2012年6月25日). 2012年1月3日閲覧。

"The most widely used regional definitions follow those of the U.S. Bureau of the Census." Seymour Sudman and Norman M. Bradburn, Asking Questions: A Practical Guide to Questionnaire Design (1982). Jossey-Bass: p. 205.
"Perhaps the most widely used regional classification system is one developed by the U.S. Census Bureau." Dale M. Lewison, Retailing, Prentice Hall (1997): p. 384. ISBN 978-0-13-461427-4
"(M)ost demographic and food consumption data are presented in this four-region format." Pamela Goyan Kittler, Kathryn P. Sucher, Food and Culture, Cengage Learning (2008): p.475. ISBN 9780495115410