APA
Creswell J. W. . C. B. J., . (2021). 30 Essential skills for the qualitative researcher 2nd ed. Sage: New Delhi.
Chicago
Creswell John W Creswell Baez Johanna, . 2021. 30 Essential skills for the qualitative researcher 2nd ed. Sage: New Delhi.
Harvard
Creswell J. W. . C. B. J., . (2021). 30 Essential skills for the qualitative researcher 2nd ed. Sage: New Delhi.
MLA
Creswell John W Creswell Baez Johanna, . 30 Essential skills for the qualitative researcher 2nd ed. Sage: New Delhi. 2021.