APA Citation

Tierney, B. (1983). The middle ages (4th ed.). New York, N.Y.: Alfred A. Knopf.

Trích dẫn kiểu Chicago

Tierney, Brian. The Middle Ages. 4th ed. New York, N.Y.: Alfred A. Knopf, 1983.

MLA Citation

Tierney, Brian. The Middle Ages. 4th ed. New York, N.Y.: Alfred A. Knopf, 1983.

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