D, B., B. et al.(1975).Voting Behavior:the 1972 election / Bruce D Bowen, C.Anthony Broh, Charles L. Prysby (Cet.1).:the American Politycal Science Association.
Gaya MLA
Bowen, Bruce, D. et al."Voting Behavior:the 1972 election / Bruce D Bowen, C.Anthony Broh, Charles L. Prysby".Cet.1:the American Politycal Science Association,1975.Textbook.