APA (7th ed.) Zitazioa

Drummond, A. (1988). Typing first course (5th ed.). McGraw-Hill Book Company.

Chicago Style (17th ed.) Zitazioa

Drummond, Archie. Typing First Course. 5th ed. London: McGraw-Hill Book Company, 1988.

MLA (9th ed.) Zitazioa

Drummond, Archie. Typing First Course. 5th ed. McGraw-Hill Book Company, 1988.