Walton, D. N. (1989). Informal logic: A handbook for critical argumentation. Cambridge University Press.
シカゴスタイル引用形Walton, Douglas N. Informal Logic: A Handbook for Critical Argumentation. Cambridge: Cambridge University Press, 1989.
MLA引用形式Walton, Douglas N. Informal Logic: A Handbook for Critical Argumentation. Cambridge University Press, 1989.
警告: この引用は必ずしも正確ではありません.