Zinn, H. (2004). Voices of a people's history of the united states. Seven stories press.
Chicago-viite (17. p.)Zinn, Howard. Voices of a People's History of the United States. New York: Seven stories press, 2004.
MLA-viite (9. p.)Zinn, Howard. Voices of a People's History of the United States. Seven stories press, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.