Gilbert, F., & Large, D. C. (1991). The end of the European era, 1890 to the present (4th ed.). Norton.
Chicago Style (17. basım) AtıfGilbert, Felix, ve David Clay Large. The End of the European Era, 1890 to the Present. 4th ed. New York: Norton, 1991.
MLA (9th ed.) AtıfGilbert, Felix, ve David Clay Large. The End of the European Era, 1890 to the Present. 4th ed. Norton, 1991.
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