Sebeok, T. A. (1991). A Sign is Just a Sign. Indiana University Press.
Chicagoスタイル(17版)引用形式Sebeok, Thomas A. A Sign Is Just a Sign. Bloomington: Indiana University Press, 1991.
MLA(9版)引用形式Sebeok, Thomas A. A Sign Is Just a Sign. Indiana University Press, 1991.
警告: この引用は必ずしも正確ではありません.