Vu, M. T. (1985). World population prejections 1985: Sgort-and long-term estimates by age and sex with related demographic statics. The Johns Hopkins.
Chicago-viite (17. p.)Vu, My T. World Population Prejections 1985: Sgort-and Long-term Estimates by Age and Sex with Related Demographic Statics. The Johns Hopkins, 1985.
MLA-viite (9. p.)Vu, My T. World Population Prejections 1985: Sgort-and Long-term Estimates by Age and Sex with Related Demographic Statics. The Johns Hopkins, 1985.
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