CRESWELL, J. W. (2017). Research design: Pendekatan metode kualitatif, kuantitatif, dan campuran. Pustaka Pelajar.
Chicago Style (17th ed.) CitationCRESWELL, John W. Research Design: Pendekatan Metode Kualitatif, Kuantitatif, Dan Campuran. Pustaka Pelajar, 2017.
MLA (8th ed.) CitationCRESWELL, John W. Research Design: Pendekatan Metode Kualitatif, Kuantitatif, Dan Campuran. Pustaka Pelajar, 2017.
Warning: These citations may not always be 100% accurate.