BROADWELL, M. M. (1986). Supervising today: A guide for positive leadership.--Ed.2. John Wiley and Sons.
Lua i Stíl Chicago (17ú heag.)BROADWELL, Martin M. Supervising Today: A Guide for Positive Leadership.--Ed.2. New York: John Wiley and Sons, 1986.
Lua MLA (9ú heag.)BROADWELL, Martin M. Supervising Today: A Guide for Positive Leadership.--Ed.2. John Wiley and Sons, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.