Bone, H. A., & Ranney, A. (1976). Politics and Voters (4th ed.). McGraw-Hill.
Chicago Style (17th ed.) ZitazioaBone, Hugh A., eta Austin Ranney. Politics and Voters. 4th ed. New York: McGraw-Hill, 1976.
MLA (9th ed.) ZitazioaBone, Hugh A., eta Austin Ranney. Politics and Voters. 4th ed. McGraw-Hill, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.