References
[1] Bogdanova А.G. Comparative Analysis of the Structures and Methods of Verbalization of Concepts of Courtesy and Höflichkeit in Russian and German Linguistic World-Images. Ph.D. Dissertation in Linguistics: 10.02.20. Novosybirsk, 2011. (in Russian)
[2] Kornylov О.А. Linguistic World Images as Derivatives of National Mentalities, 2nd ed., corr. ChеRо, М., 2003. (in Russian)
[3] Malaia O.Yu. Realization of Politeness Speech Strategies in German Internet-Forum Discourse. Ph.D. Dissertation in Linguistics: 10.02.04. Kharkiv, 2009.
[4] The German Reference Corpus DeReCo (COSMAS). Available at: http://www1.ids-mannheim.de/.