Todd, C. (2017). Jean François de La Harpe, 'Letters to the Shuvalovs'. Voltaire Foundation.
Lua i Stíl Chicago (17ú heag.)Todd, C. Jean François De La Harpe, 'Letters to the Shuvalovs'. Voltaire Foundation, 2017.
Lua MLA (9ú heag.)Todd, C. Jean François De La Harpe, 'Letters to the Shuvalovs'. Voltaire Foundation, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.