Gaya APA
CRESWELL, JOHN W.. (2010).
RESEARCH DESIGN EDISI KETIGA .
YOGYAKARTA:
PUSTAKA PELAJAR.
Gaya Chicago
CRESWELL, JOHN W..
RESEARCH DESIGN EDISI KETIGA.
YOGYAKARTA:
PUSTAKA PELAJAR,
2010.
Text.
Gaya MLA
CRESWELL, JOHN W..
RESEARCH DESIGN EDISI KETIGA.
YOGYAKARTA:
PUSTAKA PELAJAR,
2010.
Text.
Gaya Turabian
CRESWELL, JOHN W..
RESEARCH DESIGN EDISI KETIGA.
YOGYAKARTA:
PUSTAKA PELAJAR,
2010.
Print.