Palmstierna, E. (1917). International Congress for the study of the principles of a durable peace, Berne, 1916. An international police. The Hague: Nijhoff.
Lua i Stíl Chicago (17ú heag.)Palmstierna, E. International Congress for the Study of the Principles of a Durable Peace, Berne, 1916. An International Police. The Hague: Nijhoff, 1917.
Lua MLA (8ú heag.)Palmstierna, E. International Congress for the Study of the Principles of a Durable Peace, Berne, 1916. An International Police. The Hague: Nijhoff, 1917.
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