Swanborn Peter. (2010). Case Study Research. Sage Publication.
Chicago-čujuhus (17. p.)Swanborn Peter. Case Study Research. London: Sage Publication, 2010.
MLA-čujuhus (9. p.)Swanborn Peter. Case Study Research. Sage Publication, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.