Não informado. (1973). Population Reports. George Washington University, Department of Medical and Public Affairs.
Čikaški stil citiranja (17. izdanje)Não informado. Population Reports. Washington: George Washington University, Department of Medical and Public Affairs, 1973.
MLA način citiranja (8. izdanje)Não informado. Population Reports. George Washington University, Department of Medical and Public Affairs, 1973.
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