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