Gaya APA
Creswell, John W.. ().
Research Design : Pendekatan Metode Kualitatif, Kuantitatif, dan Campuran (4th ed.).
Singapore:
Sage Publication.
Gaya Chicago
Creswell, John W..
Research Design : Pendekatan Metode Kualitatif, Kuantitatif, dan Campuran.
4th ed.
Singapore:
Sage Publication,
.
Text.
Gaya MLA
Creswell, John W..
Research Design : Pendekatan Metode Kualitatif, Kuantitatif, dan Campuran.
4th ed.
Singapore:
Sage Publication,
.
Text.
Gaya Turabian
Creswell, John W..
Research Design : Pendekatan Metode Kualitatif, Kuantitatif, dan Campuran.
4th ed.
Singapore:
Sage Publication,
.
Print.