Check date values in: |accessdate= (help) "''Ball, Game Boy, Big Wheel enter toy hall of fame'', retrieved 5 Nov 2009".
11/07/08에 확인함.  다음 날짜 값 확인 필요: |access-date= (도움말) “''Ball, Game Boy, Big Wheel enter toy hall of fame'', retrieved 5 Nov 2009”.