Gaya APA
CRESWELL, JOHN W.. (2014).
RESEARCH DESIGN (EDISI KETIGA).
YOGYAKARTA:
PUSTAKA PELAJAR.
Gaya Chicago
CRESWELL, JOHN W..
RESEARCH DESIGN.
EDISI KETIGA
YOGYAKARTA:
PUSTAKA PELAJAR,
2014.
Text.
Gaya MLA
CRESWELL, JOHN W..
RESEARCH DESIGN.
EDISI KETIGA
YOGYAKARTA:
PUSTAKA PELAJAR,
2014.
Text.
Gaya Turabian
CRESWELL, JOHN W..
RESEARCH DESIGN.
EDISI KETIGA
YOGYAKARTA:
PUSTAKA PELAJAR,
2014.
Print.