Spence, C. (2018). Why is piquant/spicy food so popular? Elsevier.
Chicago-čujuhus (17. p.)Spence, C. Why Is Piquant/spicy Food so Popular? Elsevier, 2018.
MLA-čujuhus (9. p.)Spence, C. Why Is Piquant/spicy Food so Popular? Elsevier, 2018.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.