APA Citation

Unger, I. (1986). These United States: The questions of our past. New York: Prentice-Hall.

Trích dẫn kiểu Chicago

Unger, Irwin. These United States: The Questions of Our Past. New York: Prentice-Hall, 1986.

MLA Citation

Unger, Irwin. These United States: The Questions of Our Past. New York: Prentice-Hall, 1986.

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