Merrill III, S. (1999). Unified theory of voting: Directional and proximity spatial models. CUP.
Chicago Stili AlıntıMerrill III, Samuel. Unified Theory of Voting: Directional and Proximity Spatial Models. CUP, 1999.
MLA AlıntıMerrill III, Samuel. Unified Theory of Voting: Directional and Proximity Spatial Models. CUP, 1999.
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