Kesteven R. (1966). Key to Typewriting for Intermediate and Advanced Examinations. Cassell.
Παραπομπή Chicago StyleKesteven R. Key to Typewriting for Intermediate and Advanced Examinations. London: Cassell, 1966.
Παραπομπή MLAKesteven R. Key to Typewriting for Intermediate and Advanced Examinations. Cassell, 1966.
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