- ↑ ۱٫۰ ۱٫۱ "Kehrling Béla visszavonul" [Bela Kehrling retires] (به مجاری). Budapest, Hungary: Huszadik század. September 1933. Retrieved 8 December 2010.
- ↑ Béla Kehrling, ed. (1932). Tennisz és Golf (PDF). IV (به مجاری). Budapest, Hungary: Kő-, Könyvnyomda, Könyv- és Lapkiadó Rt. 3: 41 http://epa.oszk.hu/02100/02127/00057/pdf/EPA02127_tennis_es_golf_1932_4_003.pdf. Retrieved 24 January 2012.
- ↑ Béla Kehrling, ed. (10 November 1929). Tennisz és Golf (PDF) (به مجاری). Budapest, Hungary: Bethlen Gábor irod. és Nyomdai RT. I (13): 309 http://epa.oszk.hu/02100/02127/00013/pdf/EPA02127_tennis_es_golf_1929_1_013.pdf. Retrieved 18 October 2012.
- ↑ "2008 Olympic Tennis Event Media Guide" (PDF). فدراسیون بینالمللی تنیس. 2008. Archived from the original (PDF) on 29 June 2011. Retrieved 6 March 2011.
- ↑ "Christiaan van Lennep". tennismuseum.nl (به هلندی). Hilversum, Netherlands: robertblom.nl marketing- en communicatie. Retrieved 7 March 2013.
- ↑ J. Funke, ed. (8 June 1914). "Lawntennis" (pdf). Het Nieuws Van den Dag (به هلندی). Amsterdam, Netherlands: C. Easton (13, 649): 13. Retrieved 24 October 2012.[پیوند مرده]
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