APA aipamena

(1980). Humanities. [Washington, D.C.]: National Endowment for the Humanities.

Chicago Style aipamena

Humanities. [Washington, D.C.]: National Endowment for the Humanities, 1980.

MLA aipamena

Humanities. [Washington, D.C.]: National Endowment for the Humanities, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.