Theory of Leisure Class, chap 7. Great Neck Publishing.
Chicago-čujuhus (17. p.)Theory of Leisure Class, Chap 7. Great Neck Publishing.
MLA-čujuhus (9. p.)Theory of Leisure Class, Chap 7. Great Neck Publishing.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.