Daniels, R. V. (1972). Studying history: How and why (2nd. ed.). Prentice Hall.
Chicago Style aipamenaDaniels, Robert V. Studying History: How and Why. 2nd. ed. New Jersy: Prentice Hall, 1972.
MLA aipamenaDaniels, Robert V. Studying History: How and Why. 2nd. ed. Prentice Hall, 1972.
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