MORGAN, Rice. A Joust of Knights (Book #16 in the Sorcerer's Ring). Lukeman Literary, 2014. ISBN 9781632911300. Dostupné také z: https://www.bookport.cz/AccountSaml/SignIn/?idp=https://shibboleth.utb.cz/idp/shibboleth&returnUrl=/kniha/a-joust-of-knights-book-16-in-the-sorcerer-s-ring-10075/.