APA aipamena

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

Chicago Style aipamena

Hamel, Jacques, St�ephane Dufour, and Dominic Fortin. Case Study Methods. Newbury Park ; New Delhi: Sage Publications, 1993.

MLA aipamena

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