Παραπομπή APA

Preston, S. H., Keyfitz, N., & Schoen, R. (1972). Causes of death: Life tables for national populations. New York: Seminar Press.

Παραπομπή Chicago Style

Preston, Samuel H., Nathan Keyfitz, and Robert Schoen. Causes of Death: Life Tables for National Populations. New York: Seminar Press, 1972.

Παραπομπή MLA

Preston, Samuel H., Nathan Keyfitz, and Robert Schoen. Causes of Death: Life Tables for National Populations. New York: Seminar Press, 1972.

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