Crooks, M. (1967). Typewriting Manuscript and Accuracy Tests (2nd ed.). Pitman.
Chicago Style aipamenaCrooks, Maxwell. Typewriting Manuscript and Accuracy Tests. 2nd ed. London: Pitman, 1967.
MLA aipamenaCrooks, Maxwell. Typewriting Manuscript and Accuracy Tests. 2nd ed. Pitman, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.