APA-čujuhus (7. p.)
ebrary, Inc, & Friis, R. H. (2012). The Praeger handbook of environmental health. Praeger.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Robert H. Friis. The Praeger Handbook of Environmental Health. Santa Barbara, Calif.: Praeger, 2012.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Robert H. Friis. The Praeger Handbook of Environmental Health. Praeger, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.