Gaya APA

Creswell, J, W. et al (2017). Research design: Pendekatan metode kualitatif, kuantitatif, dan campuran (Research design, qualitative, quantitative & mixed methods approaches) . Yogyakarta: Pustaka Pelajar.

Gaya MLA

Creswell, John, W.. et al. "Research design: Pendekatan metode kualitatif, kuantitatif, dan campuran (Research design, qualitative, quantitative & mixed methods approaches)". Yogyakarta: Pustaka Pelajar, 2017. Text.