Floud, R. (1973). An introduction to quantitative methods for historians. Methuen & co ltd..
Chicago-stil citatFloud, Roderick. An Introduction to Quantitative Methods for Historians. London: Methuen & co ltd., 1973.
MLA-referensFloud, Roderick. An Introduction to Quantitative Methods for Historians. Methuen & co ltd., 1973.
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