APA (7e ed.) Bronvermelding

BROADWELL, M. M. (1986). Supervising today: A guide for positive leadership.--Ed.2. John Wiley and Sons.

Chicago (17e ed.) Bronvermelding

BROADWELL, Martin M. Supervising Today: A Guide for Positive Leadership.--Ed.2. New York: John Wiley and Sons, 1986.

MLA (9e ed.) Bronvermelding

BROADWELL, Martin M. Supervising Today: A Guide for Positive Leadership.--Ed.2. John Wiley and Sons, 1986.