Não informado. (2001). Wisconsin library bulletin. Departement of Public Instruction, Division of Library Services.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Wisconsin Library Bulletin. Madison, Wis: Departement of Public Instruction, Division of Library Services, 2001.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Wisconsin Library Bulletin. Departement of Public Instruction, Division of Library Services, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.