HOLLINS-ALEXANDER, S. (2013). Online professional development through virtual learning communities. Corwin.
Lua i Stíl Chicago (17ú heag.)HOLLINS-ALEXANDER, Sonja. Online Professional Development Through Virtual Learning Communities. Corwin, 2013.
Lua MLA (9ú heag.)HOLLINS-ALEXANDER, Sonja. Online Professional Development Through Virtual Learning Communities. Corwin, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.