Dyfyniad APA

National Endowment for the Humanities. (1980). Humanities. National Endowment for the Humanities.

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

National Endowment for the Humanities. Humanities. National Endowment for the Humanities, 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.