Não informado. (2000). University of Wisconsin studies in the social science and history. University of Wisconsin.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. University of Wisconsin Studies in the Social Science and History. Madison, Wis: University of Wisconsin, 2000.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. University of Wisconsin Studies in the Social Science and History. University of Wisconsin, 2000.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.