Whelpton, P. K., Campbell, A. A., & Patterson, J. E. (1966). Fertility and family planning in the United States. Princeton University Press.
Citace podle Chicago (17th ed.)Whelpton, Pascal K., Arthur A. Campbell, a John E. Patterson. Fertility and Family Planning in the United States. Princeton, N.J.: Princeton University Press, 1966.
Citace podle MLA (8th ed.)Whelpton, Pascal K., et al. Fertility and Family Planning in the United States. Princeton University Press, 1966.
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