Kesteven R. (1966). Elementary Typewriting Examination Explained with Preparatory Excersises. Cassell.
Chicago Stili AlıntıKesteven R. Elementary Typewriting Examination Explained with Preparatory Excersises. London: Cassell, 1966.
MLA AlıntıKesteven R. Elementary Typewriting Examination Explained with Preparatory Excersises. Cassell, 1966.
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