Gaya APA
Gay, C.R.. (1987).
Educational Research (3rd ed).
Columbus:
MERRILL PUBLISHING COMAPNY.
Gaya Chicago
Gay, C.R..
Educational Research.
3rd ed
Columbus:
MERRILL PUBLISHING COMAPNY,
1987.
.
Gaya MLA
Gay, C.R..
Educational Research.
3rd ed
Columbus:
MERRILL PUBLISHING COMAPNY,
1987.
.
Gaya Turabian
Gay, C.R..
Educational Research.
3rd ed
Columbus:
MERRILL PUBLISHING COMAPNY,
1987.
.