Pressland, D. (1991). The Book of Penny Toys. New Cavendish Books.
Chicago-Zitierstil (17. Ausg.)Pressland, David. The Book of Penny Toys. London: New Cavendish Books, 1991.
MLA-Zitierstil (8. Ausg.)Pressland, David. The Book of Penny Toys. New Cavendish Books, 1991.
警告：这些引文格式不一定是100％准确.