Minnesota Institute of Governmental Research. State governmental research. Minnesota Institute of Governmental Research.
Παραπομπή σε μορφή Chicago (17η εκδ.)Minnesota Institute of Governmental Research. State Governmental Research. Saint Paul: Minnesota Institute of Governmental Research.
Παραπομπή σε μορφή MLA (8th εκδ.)Minnesota Institute of Governmental Research. State Governmental Research. Minnesota Institute of Governmental Research.
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