National Council for Preservation Education (U.S.). Preservation education & research. National Council for Preservation Education.
Chicago-čujuhus (17. p.)National Council for Preservation Education (U.S.). Preservation Education & Research. College Station, TX: National Council for Preservation Education.
MLA-čujuhus (9. p.)National Council for Preservation Education (U.S.). Preservation Education & Research. National Council for Preservation Education.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.