Cresswell, J. W. (2015). Research Design: Pendekatan kualitatif, kuantitatif, dan mixed. Pustaka Pelajar.
Chicago Style (17th ed.) CitationCresswell, John W. Research Design: Pendekatan Kualitatif, Kuantitatif, Dan Mixed. Pustaka Pelajar, 2015.
MLA (9th ed.) CitationCresswell, John W. Research Design: Pendekatan Kualitatif, Kuantitatif, Dan Mixed. Pustaka Pelajar, 2015.
Warning: These citations may not always be 100% accurate.