Gaya APA
Neagley, R, L., Evans, N, D. (1980).
Handbook for effective supervision of instruction (3rd ed).
Englewood Cliffs, NJ:
Prentice Hall.
Gaya MLA
Neagley, Ross, L.., Evans, N., Dean.
"Handbook for effective supervision of instruction".
3rd ed
Englewood Cliffs, NJ:
Prentice Hall,
1980.
Text.