Gaya APA
L.R.Gay, ., Sullivan, L. (1987).
Education Research:Competencies for analysis and application .
New York:
Maxwell Macmillan International.
Gaya MLA
L.R.Gay, ., Sullivan, Linda.
"Education Research:Competencies for analysis and application".
New York:
Maxwell Macmillan International,
1987.
Text.