Gaya APA
SORENSEN, D, A, L, C, J, A, C. (2010).
Introduction
to Research
in Education (Ed. 8).
USA:
Wadswoth Publishing.
Gaya MLA
SORENSEN, DONALD, ARY, LUCY,, CHESER, JACOBS, And, CHRIS.
"Introduction
to Research
in Education".
Ed. 8
USA:
Wadswoth Publishing,
2010.
Text.