Gaya APA
Borg, W, R., Goll, M, D. (1976).
Educational Research: An Introduction (Ed. 2., cet. 5).
USA:
David M Kay Company.
Gaya MLA
Borg, Walter, R.., Goll, Meredith, D..
"Educational Research: An Introduction".
Ed. 2., cet. 5
USA:
David M Kay Company,
1976.
Text.