Gaya APA

Creswell, J, W. et al (2024). Research design : pendekatan metode kualitatif, kuantitatif, dan campuran edisi keempat = research design, qualitatif, quantitative, and mixed methods approaches, fourth edition (Ed. 6. ; Cet. 7.). Yogyakarta: Pustaka Pelajar.

Gaya MLA

Creswell, John, W.. et al. "Research design : pendekatan metode kualitatif, kuantitatif, dan campuran edisi keempat = research design, qualitatif, quantitative, and mixed methods approaches, fourth edition". Ed. 6. ; Cet. 7. Yogyakarta: Pustaka Pelajar, 2024. Text.