FIVB
http://www.fivb.org/EN/Refereeing-Rules/RulesOfTheGame_BVB.asp
CEV
http://www.cev.lu/
DVV
http://www.volleyball-verband.de/de/beach/
NWVV
http://www.nwvv.de/cms/home/beach.xhtml
Beachvolleyball.de
https://www.beach-volleyball.de/