APA-Zitierstil (7. Ausg.)

(2009). What is a case?: Exploring the foundations of social inquiry (12th printing.). Cambridge University Press.

Chicago-Zitierstil (17. Ausg.)

What Is a Case?: Exploring the Foundations of Social Inquiry. 12th printing. Cambridge [England] ; New York, NY, USA: Cambridge University Press, 2009.

MLA-Zitierstil (9. Ausg.)

What Is a Case?: Exploring the Foundations of Social Inquiry. 12th printing. Cambridge University Press, 2009.