Dyfyniad APA
Zinn, H. (2015). A people's history of the United States: 1492-present. HarperCollins.
Dyfyniad Arddull Chicago
Zinn, Howard. A People's History of the United States: 1492-present. New York: HarperCollins, 2015.
Dyfyniad MLA
Zinn, Howard. A People's History of the United States: 1492-present. HarperCollins, 2015.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.