WOLL, P. (1987). American Goverment Reading And Cases Peter Woll. Brow and Company.
Chicago-viite (17. p.)WOLL, Peter. American Goverment Reading And Cases Peter Woll. Brow and Company, 1987.
MLA-viite (8. p.)WOLL, Peter. American Goverment Reading And Cases Peter Woll. Brow and Company, 1987.
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