ebrary, Inc. (2007). Nutrition and activity. Emerald Group Publishing.
Chicago-čujuhus (17. p.)ebrary, Inc. Nutrition and Activity. Bradford, England: Emerald Group Publishing, 2007.
MLA-čujuhus (9. p.)ebrary, Inc. Nutrition and Activity. Emerald Group Publishing, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.