Cervero, R. M. (1988). Effective continuing education for professionals. Jossey-Bass Publishers.
Lua i Stíl Chicago (17ú heag.)Cervero, Ronald M. Effective Continuing Education for Professionals. San Francisco: Jossey-Bass Publishers, 1988.
Lua MLA (9ú heag.)Cervero, Ronald M. Effective Continuing Education for Professionals. Jossey-Bass Publishers, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.