Não informado. (1973). Population Reports. George Washington University, Department of Medical and Public Affairs.
Style de citation Chicago (17e éd.)Não informado. Population Reports. Washington: George Washington University, Department of Medical and Public Affairs, 1973.
Style de citation MLA (8e éd.)Não informado. Population Reports. George Washington University, Department of Medical and Public Affairs, 1973.
Attention : ces citations peuvent ne pas être correctes à 100%.