Michael Ryall. (2002). Instructor's manual interaction; T1: Writing. New York: McGraw-Hill.
シカゴスタイル引用形Michael Ryall. Instructor's Manual Interaction; T1: Writing. New York: McGraw-Hill, 2002.
MLA引用形式Michael Ryall. Instructor's Manual Interaction; T1: Writing. New York: McGraw-Hill, 2002.
警告: この引用は必ずしも正確ではありません.