Gaya APA

Neagley, R, L., Evans, N, D. (1980). Handbook for effective supervision of instruction (3th Ed.). New Jersey: Prentice-Hall.

Gaya MLA

Neagley, Ross, L., Evans, N., Dean. "Handbook for effective supervision of instruction". 3th Ed. New Jersey: Prentice-Hall, 1980. Text.