Dyfyniad APA

Society for Visual Education & Erdoes, R. (1988). Chronology of the western world, 1500-1900 A.D. The Society [production company].

Dyfyniad Arddull Chicago

Society for Visual Education and Richard Erdoes. Chronology of the Western World, 1500-1900 A.D. Chicago, Ill: The Society [production company], 1988.

Dyfyniad MLA

Society for Visual Education and Richard Erdoes. Chronology of the Western World, 1500-1900 A.D. The Society [production company], 1988.

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