Cita APA (7th ed.)

Gerring, J. (2007). Case study research: Principles and practices. Cambridge University Press.

Cita Chicago (17th ed.)

Gerring, John. Case Study Research: Principles and Practices. New York: Cambridge University Press, 2007.

Cita MLA (9th ed.)

Gerring, John. Case Study Research: Principles and Practices. Cambridge University Press, 2007.