Bibiliography

"Hopscotch Rules – Governing Bodies" Hopscotch Rules – Governing Bodies | Court & Field Dimension Diagrams in 3D, History, Rules – SportsKnowHow.com. Internet Marketing Unlimited, Corp, n.d.24 Jan, 2019
http://www.sportsknowhow.com/hopscotch/rules/hopscotch-rules.html