Wiles, K. (1955). Supervision for better schools: The role of the official leader in program development (2d ed.). Prentice-Hall.
Citazione stile Chigago Style (17a edizione)Wiles, Kimball. Supervision for Better Schools: The Role of the Official Leader in Program Development. 2d ed. New York: Prentice-Hall, 1955.
Citatione MLA (9a ed.)Wiles, Kimball. Supervision for Better Schools: The Role of the Official Leader in Program Development. 2d ed. Prentice-Hall, 1955.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.