Mumford, S. D. (1994). The life and death of NSSM 200: How the destruction of political will doomed a U.S. population policy. Center for Research on Population and Security.
Lua i Stíl Chicago (17ú heag.)Mumford, Stephen D. The Life and Death of NSSM 200: How the Destruction of Political Will Doomed a U.S. Population Policy. Research Triangle Park, North Carolina: Center for Research on Population and Security, 1994.
Lua MLA (9ú heag.)Mumford, Stephen D. The Life and Death of NSSM 200: How the Destruction of Political Will Doomed a U.S. Population Policy. Center for Research on Population and Security, 1994.
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