APA-referens (7:e uppl.)

Simpson, S. (1946). Belgium in transition. Philadelphia: American Academy of Political and Social Science.

Chicago-referens (17:e uppl.)

Simpson, Smith. Belgium in Transition. Philadelphia: American Academy of Political and Social Science, 1946.

MLA-referens (8:e uppl.)

Simpson, Smith. Belgium in Transition. Philadelphia: American Academy of Political and Social Science, 1946.

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