Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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