Cita APA (7a ed.)

Yin, R. K. (1994). Case study research: Design and methods (2nd ed.). Sage.

Cita Chicago Style (17a ed.)

Yin, Robert K. Case Study Research: Design and Methods. 2nd ed. Thousand Oaks, California [etc.]: Sage, 1994.

Cita MLA (9a ed.)

Yin, Robert K. Case Study Research: Design and Methods. 2nd ed. Sage, 1994.