Gaya APA
Creswell, John W.. (2014).
Research design: qualitative, quantitative, and mixed methods approaches / John W. Creswell (4th ed.).
:
Los Angeles: Sage.
Gaya Chicago
Creswell, John W..
Research design: qualitative, quantitative, and mixed methods approaches / John W. Creswell.
4th ed.
:
Los Angeles: Sage,
2014.
Buku.
Gaya MLA
Creswell, John W..
Research design: qualitative, quantitative, and mixed methods approaches / John W. Creswell.
4th ed.
:
Los Angeles: Sage,
2014.
Buku.
Gaya Turabian
Creswell, John W..
Research design: qualitative, quantitative, and mixed methods approaches / John W. Creswell.
4th ed.
:
Los Angeles: Sage,
2014.
Buku.