Barker, J. A. (1969). A formal analysis of conditionals. Southern Illinois University.
Chicagoスタイル(17版)引用形式Barker, John A. A Formal Analysis of Conditionals. [Carbondale]: Southern Illinois University, 1969.
MLA(9版)引用形式Barker, John A. A Formal Analysis of Conditionals. Southern Illinois University, 1969.
警告: この引用は必ずしも正確ではありません.