Witzel Morgen. (2015). Managing your Success. Bloomsbury.
Lua i Stíl Chicago (17ú heag.)Witzel Morgen. Managing Your Success. New York: Bloomsbury, 2015.
Lua MLA (9ú heag.)Witzel Morgen. Managing Your Success. Bloomsbury, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.