Princeton University. Office of Population Research, League of Nations. Secretariat. Economic, Financial and Transit Department, & Kirk, D. (1946). Europe's population in the interwar years. League of Nations.
Citace podle Chicago (17th ed.)Princeton University. Office of Population Research, Financial and Transit Department League of Nations. Secretariat. Economic, a Dudley Kirk. Europe's Population in the Interwar Years. [Geneva]: League of Nations, 1946.
Citace podle MLA (9th ed.)Princeton University. Office of Population Research, et al. Europe's Population in the Interwar Years. League of Nations, 1946.
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