Kesteven R. (1966). Elementary Typewriting Examination Explained with Preparatory Excersises. Cassell.
シカゴスタイル引用形Kesteven R. Elementary Typewriting Examination Explained with Preparatory Excersises. London: Cassell, 1966.
MLA引用形式Kesteven R. Elementary Typewriting Examination Explained with Preparatory Excersises. Cassell, 1966.
警告: この引用は必ずしも正確ではありません.