Tough Paul. (2014). How Children Succeed. Arrow Books.
Chicago-čujuhus (17. p.)Tough Paul. How Children Succeed. London: Arrow Books, 2014.
MLA-čujuhus (9. p.)Tough Paul. How Children Succeed. Arrow Books, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.