APA-viite

Todaro, M. P. (1997). Urbanization, unemployment, and migration in Africa. Working papers / Population Council, Policy Research Division 104.

Chicago-tyylinen lähdeviittaus

Todaro, Michael P. "Urbanization, Unemployment, and Migration in Africa." Working Papers / Population Council, Policy Research Division 104 1997.

MLA-viite

Todaro, Michael P. "Urbanization, Unemployment, and Migration in Africa." Working Papers / Population Council, Policy Research Division 104 1997.

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