Yin, R. K. (2014). Case study research: Design and methods. Sage.
Chicago-čujuhus (17. p.)Yin, Robert K. Case Study Research: Design and Methods. los angeles: Sage, 2014.
MLA-čujuhus (9. p.)Yin, Robert K. Case Study Research: Design and Methods. Sage, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.