ヴォルガ地方 (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "ヴォルガ地方" in Japanese language version.

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doi.org

dx.doi.org

Collins, Roger (2010), “The Carolingian regime”, Early Medieval Europe 300–1000 (Macmillan Education UK): pp. 300–317, doi:10.1007/978-1-137-01428-3_17, ISBN 978-0-230-00673-7 2020年5月11日閲覧。

doi.org

Collins, Roger (2010), “The Carolingian regime”, Early Medieval Europe 300–1000 (Macmillan Education UK): pp. 300–317, doi:10.1007/978-1-137-01428-3_17, ISBN 978-0-230-00673-7 2020年5月11日閲覧。

worldcat.org

Bukharaev, Ravilʹ. (2006). Tatarstan : a 'can-do' culture : President Mintimer Shaimiev and the power of common sense. Folkestone, UK: Global Oriental. pp. 186. ISBN 978-90-04-21355-5. OCLC 754773689
Langer, Lawrence N. (2010). Historical dictionary of medieval Russia. Scarecrow Press. pp. 185. ISBN 978-0-8108-6618-8. OCLC 1030397561. http://worldcat.org/oclc/1030397561