National Endowment for the Humanities. (1980). Humanities. National Endowment for the Humanities.
Chicago-referens (17:e uppl.)National Endowment for the Humanities. Humanities. [Washington, D.C.]: National Endowment for the Humanities, 1980.
MLA-referens (9:e uppl.)National Endowment for the Humanities. Humanities. National Endowment for the Humanities, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.