Ράγκμπι γιούνιον: Διαφορά μεταξύ των αναθεωρήσεων

 

== Περαιτέρω μελέτη ==

* {{Cite book |title=Encyclopedia Canadiana vol. 8|year=1972 |publisher=Grolier of Canada|location=Toronto, Ottawa, Montreal|isbn=0-7172-1601-2| ref= harv}}

* {{Cite book | editor-last = Bath | editor-first = Richard | year = 1997 | title = Complete Book of Rugby | publisher=Seven Oaks Ltd | ISBN = 1-86200-013-1| ref= harv}}