Gaya APA
Creswell, John W.. (2009).
Research design : qualitative, quantitative, and mixed methods approaches, 3rd ed (Ed. 3).
London:
Sage Publications.
Gaya Chicago
Creswell, John W..
Research design : qualitative, quantitative, and mixed methods approaches, 3rd ed.
Ed. 3
London:
Sage Publications,
2009.
Text.
Gaya MLA
Creswell, John W..
Research design : qualitative, quantitative, and mixed methods approaches, 3rd ed.
Ed. 3
London:
Sage Publications,
2009.
Text.
Gaya Turabian
Creswell, John W..
Research design : qualitative, quantitative, and mixed methods approaches, 3rd ed.
Ed. 3
London:
Sage Publications,
2009.
Print.