Gray, L. L. (1976). How we choose a President: The election year (4th ed.). St. Martin's Press.
Chicagoスタイル(17版)引用形式Gray, Lee Learner. How We Choose a President: The Election Year. 4th ed. New York: St. Martin's Press, 1976.
MLA(8版)引用形式Gray, Lee Learner. How We Choose a President: The Election Year. 4th ed. St. Martin's Press, 1976.
警告: この引用は必ずしも正確ではありません.