Dyfyniad APA

Wiiliam Bruce Wheeler. (1994). Discovering the American past: A look at the evidence; Vol.1: to 1877. Boston, Masachusetts: Houghton Mifflin.

Dyfyniad Arddull Chicago

Wiiliam Bruce Wheeler. Discovering the American Past: A Look At the Evidence; Vol.1: To 1877. Boston, Masachusetts: Houghton Mifflin, 1994.

Dyfyniad MLA

Wiiliam Bruce Wheeler. Discovering the American Past: A Look At the Evidence; Vol.1: To 1877. Boston, Masachusetts: Houghton Mifflin, 1994.

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