Hamel, J., Dufour, S., & Fortin, D. (1993). Case study methods. Sage.
Chicago-čujuhus (17. p.)Hamel, Jacques, Stephane Dufour, juo Dominic Fortin. Case Study Methods. Newbury Park: Sage, 1993.
MLA-čujuhus (9. p.)Hamel, Jacques, et al. Case Study Methods. Sage, 1993.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.