National Council for Preservation Education (U.S.). Preservation education & research. National Council for Preservation Education.
Style de citation Chicago (17e éd.)National Council for Preservation Education (U.S.). Preservation Education & Research. College Station, TX: National Council for Preservation Education.
Style de citation MLA (9e éd.)National Council for Preservation Education (U.S.). Preservation Education & Research. National Council for Preservation Education.
Attention : ces citations peuvent ne pas être correctes à 100%.