APA-Zitierstil (7. Ausg.)

Creswell, J. W. (2016). 30 essential skills for the qualitative researcher. Sage.

Chicago-Zitierstil (17. Ausg.)

Creswell, John W. 30 Essential Skills for the Qualitative Researcher. Los Angeles ; London; New Delhi ; Singapore ; Washington DC: Sage, 2016.

MLA-Zitierstil (9. Ausg.)

Creswell, John W. 30 Essential Skills for the Qualitative Researcher. Sage, 2016.