Pressland, D. (1991). The Book of Penny Toys. New Cavendish Books.
Lua i Stíl Chicago (17ú heag.)Pressland, David. The Book of Penny Toys. London: New Cavendish Books, 1991.
Lua MLA (8ú heag.)Pressland, David. The Book of Penny Toys. New Cavendish Books, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.