Παραπομπή APA
Lancaster, H. O. (1990). Expectations of life: A study in the demography, statistics and history of world mortality. New York: Springer-Verlag.
Παραπομπή Chicago StyleLancaster, Henry Oliver. Expectations of Life: A Study in the Demography, Statistics and History of World Mortality. New York: Springer-Verlag, 1990.
Παραπομπή MLALancaster, Henry Oliver. Expectations of Life: A Study in the Demography, Statistics and History of World Mortality. New York: Springer-Verlag, 1990.
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