Creswell, J. W. (2015). Research design: Pendekatan kualitatif, kuantitatif dan mixed. Pustaka Pelajar.
Chicago Style (17th ed.) CitationCreswell, John W. Research Design: Pendekatan Kualitatif, Kuantitatif Dan Mixed. Pustaka Pelajar, 2015.
MLA (8th ed.) CitationCreswell, John W. Research Design: Pendekatan Kualitatif, Kuantitatif Dan Mixed. Pustaka Pelajar, 2015.
Warning: These citations may not always be 100% accurate.