Kellerman, B. (2018). Professionalizing Leadership. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Kellerman, Barbara. Professionalizing Leadership. Oxford: Oxford University Press, 2018.
Lua MLA (9ú heag.)Kellerman, Barbara. Professionalizing Leadership. Oxford University Press, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.