Vishnevsky, Anatoly (15 August 2000). "Replacement Migration: Is it a solution for Russia?"(PDF). EXPERT GROUP MEETING ON POLICY RESPONSES TO POPULATION AGEING AND POPULATION DECLINE /UN/POP/PRA/2000/14. United Nations Population Division, Department of Economic and Social Affairs. पपृ॰ 6, 10. मूल से 29 अगस्त 2017 को पुरालेखित(PDF). अभिगमन तिथि 2008-01-14.
Vishnevsky, Anatoly (15 August 2000). "Replacement Migration: Is it a solution for Russia?"(PDF). EXPERT GROUP MEETING ON POLICY RESPONSES TO POPULATION AGEING AND POPULATION DECLINE /UN/POP/PRA/2000/14. United Nations Population Division, Department of Economic and Social Affairs. पपृ॰ 6, 10. मूल से 29 अगस्त 2017 को पुरालेखित(PDF). अभिगमन तिथि 2008-01-14.