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