Gaya APA

CRESWELL, John W.. (2008). Educational research : planning, conducting, and evaluating quantitative and qualitative research (Third edition). Boston: Pearson Education, Inc.

Gaya Chicago

CRESWELL, John W.. Educational research : planning, conducting, and evaluating quantitative and qualitative research. Third edition Boston: Pearson Education, Inc, 2008. Text.

Gaya MLA

CRESWELL, John W.. Educational research : planning, conducting, and evaluating quantitative and qualitative research. Third edition Boston: Pearson Education, Inc, 2008. Text.

Gaya Turabian

CRESWELL, John W.. Educational research : planning, conducting, and evaluating quantitative and qualitative research. Third edition Boston: Pearson Education, Inc, 2008. Print.