Cita APA

Hamel, J., Dufour, S., & Fortin, D. (1993). Case study methods. Sage.

Citación estilo Chicago

Hamel, Jacques, Stephane Dufour, and Dominic Fortin. Case Study Methods. Newbury Park: Sage, 1993.

Cita MLA

Hamel, Jacques, et al. Case Study Methods. Sage, 1993.