Dyfyniad APA

Gerring, J. (2017). Case study research: Principles and practices (Second edition.). Cambridge University Press.

Dyfyniad Arddull Chicago

Gerring, John. Case Study Research: Principles and Practices. Second edition. Cambridge, United Kingdom: Cambridge University Press, 2017.

Dyfyniad MLA

Gerring, John. Case Study Research: Principles and Practices. Second edition. Cambridge University Press, 2017.

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