Churchill's , R. P. (1986). Study guide to accompany becoming logical an introduction to logic. St.Marin's Press.
Chicagoスタイル(17版)引用形式Churchill's , Robert Paul. Study Guide to Accompany Becoming Logical an Introduction to Logic. St.Marin's Press, 1986.
MLA(9版)引用形式Churchill's , Robert Paul. Study Guide to Accompany Becoming Logical an Introduction to Logic. St.Marin's Press, 1986.
警告: この引用は必ずしも正確ではありません.