Gaya APA
Sowell, Evelyn J. (2001).
Educational research : an integrative introduction .
Boston:
Mc Graw Hill.
Gaya Chicago
Sowell, Evelyn J.
Educational research : an integrative introduction.
Boston:
Mc Graw Hill,
2001.
Text.
Gaya MLA
Sowell, Evelyn J.
Educational research : an integrative introduction.
Boston:
Mc Graw Hill,
2001.
Text.
Gaya Turabian
Sowell, Evelyn J.
Educational research : an integrative introduction.
Boston:
Mc Graw Hill,
2001.
Print.