APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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