Bibiliography

"SportsKnowHow.com - Badminton" Badminton Court Dimension Diagrams, History, Rules - SportsKnowHow.com | Court & Field Dimension Diagrams in 3D, History, Rules – SportsKnowHow.com. Internet Marketing Unlimited, Corp, n.d.21 Oct, 2018
http://www.sportsknowhow.com/badminton/index.html