Gaya APA
Neagley, R, L., Evans, N, D. (1980).
Handbook for effective supervision of instruction (3rd ed).
New Jersey:
Prentice hall international.
Gaya MLA
Neagley, Ross, L., Evans, N, Dean.
"Handbook for effective supervision of instruction".
3rd ed
New Jersey:
Prentice hall international,
1980.
Text.