Spitz, L., Ebeling, R. Julkaisussa Leistungssport (2001) “...management and organisation of sport...”
Spitz, L., Ebeling, R. Julkaisussa Leistungssport (1997) “...management and organisation of sport...”
Spitz, L., Ebeling, R. Julkaistu 2002 “...management and organisation of sport...”
Spitz, L., Ebeling, R. Julkaistu 2000 “...management and organisation of sport...”
Spitz, L., Ebeling, R. Julkaistu 1996 “...management and organisation of sport...”