Gaya APA

Johnson, R. Burke.. (2014). Educational research: Quantitative, qualitative, and mixed approaches . America: SAGE Publications, Inc..

Gaya Chicago

Johnson, R. Burke.. Educational research: Quantitative, qualitative, and mixed approaches. America: SAGE Publications, Inc., 2014. Text.

Gaya MLA

Johnson, R. Burke.. Educational research: Quantitative, qualitative, and mixed approaches. America: SAGE Publications, Inc., 2014. Text.

Gaya Turabian

Johnson, R. Burke.. Educational research: Quantitative, qualitative, and mixed approaches. America: SAGE Publications, Inc., 2014. Print.