Cita APA (7th ed.)

Creswell, J. W. (2016). 30 Essential Skills for the Qualitative Researcher. SAGE Publications, Inc.

Cita Chicago (17th ed.)

Creswell, John W. 30 Essential Skills for the Qualitative Researcher. California: SAGE Publications, Inc, 2016.

Cita MLA (9th ed.)

Creswell, John W. 30 Essential Skills for the Qualitative Researcher. SAGE Publications, Inc, 2016.