Kroll, K. (2013). Fostering the liberal arts in the 21st-century community college. Jossey-Bass.
Lua i Stíl Chicago (17ú heag.)Kroll, Keith. Fostering the Liberal Arts in the 21st-century Community College. San Francisco: Jossey-Bass, 2013.
Lua MLA (9ú heag.)Kroll, Keith. Fostering the Liberal Arts in the 21st-century Community College. Jossey-Bass, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.