Gaya APA

CRESWELL, John W.. (2010). Research design: pendekatan kualitatif, kuantitatif, dan mixed (Ed. 3). Yogyakarta: Pustaka Pelajar.

Gaya Chicago

CRESWELL, John W.. Research design: pendekatan kualitatif, kuantitatif, dan mixed. Ed. 3 Yogyakarta: Pustaka Pelajar, 2010. .

Gaya MLA

CRESWELL, John W.. Research design: pendekatan kualitatif, kuantitatif, dan mixed. Ed. 3 Yogyakarta: Pustaka Pelajar, 2010. .

Gaya Turabian

CRESWELL, John W.. Research design: pendekatan kualitatif, kuantitatif, dan mixed. Ed. 3 Yogyakarta: Pustaka Pelajar, 2010. .