Sassone, R. L. (1994). Handbook on population (5th ed.). American Life League.
Cita Chicago Style (17a ed.)Sassone, Robert L. Handbook on Population. 5th ed. Stafford: American Life League, 1994.
Cita MLA (9a ed.)Sassone, Robert L. Handbook on Population. 5th ed. American Life League, 1994.
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