Creswell, J. W. (2016). Research Design: Pendekatan Metode Kualitatif, Kuantitatif, dan campuran. Pustaka Pelajar.
Chicago Style CitationCreswell, John W. Research Design: Pendekatan Metode Kualitatif, Kuantitatif, Dan Campuran. Pustaka Pelajar, 2016.
MLA CitationCreswell, John W. Research Design: Pendekatan Metode Kualitatif, Kuantitatif, Dan Campuran. Pustaka Pelajar, 2016.
Warning: These citations may not always be 100% accurate.