Dyfyniad APA

Society for Visual Education & Erdoes, R. (1984). Chronology of the western world: The twentieth century. Society for Visual Education, Inc.

Dyfyniad Arddull Chicago

Society for Visual Education and Richard Erdoes. Chronology of the Western World: The Twentieth Century. Chicago: Society for Visual Education, Inc, 1984.

Dyfyniad MLA

Society for Visual Education and Richard Erdoes. Chronology of the Western World: The Twentieth Century. Society for Visual Education, Inc, 1984.

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