Knodel, J. E. (1974). The decline of fertility in Germany, 1871-1939: By John E. Knodel. Princeton University Press.
Style de citation Chicago (17e éd.)Knodel, John E. The Decline of Fertility in Germany, 1871-1939: By John E. Knodel. Princeton, New Jersey: Princeton University Press, 1974.
Style de citation MLA (8e éd.)Knodel, John E. The Decline of Fertility in Germany, 1871-1939: By John E. Knodel. Princeton University Press, 1974.
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