APA-čujuhus (7. p.)
World Health Organization & ebrary, Inc. (2010). International travel and health. World Health Organization.
Chicago-čujuhus (17. p.)
World Health Organization juo Inc ebrary. International Travel and Health. Geneva: World Health Organization, 2010.
MLA-čujuhus (9. p.)
World Health Organization juo Inc ebrary. International Travel and Health. World Health Organization, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.