APA (7. basım) Alıntı

Creswell W. John & Creswell J. David. (2018). Research Design (3rd ed.). SAGE.

Chicago Style (17. basım) Atıf

Creswell W. John ve Creswell J. David. Research Design. 3rd ed. New Delhi: SAGE, 2018.

MLA (9th ed.) Atıf

Creswell W. John ve Creswell J. David. Research Design. 3rd ed. SAGE, 2018.