Gardner, I. In for a Penny: Money Boxes related games and school items from the Museum of Childhood collection. Museum of Childhood.
Lua i Stíl Chicago (17ú heag.)Gardner, Ian. In for a Penny: Money Boxes Related Games and School Items from the Museum of Childhood Collection. Edinburgh: Museum of Childhood.
Lua MLA (8ú heag.)Gardner, Ian. In for a Penny: Money Boxes Related Games and School Items from the Museum of Childhood Collection. Museum of Childhood.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.