Tough Paul. (2014). How Children Succeed. Arrow Books.
Lua i Stíl Chicago (17ú heag.)Tough Paul. How Children Succeed. London: Arrow Books, 2014.
Lua MLA (9ú heag.)Tough Paul. How Children Succeed. Arrow Books, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.