Drummond, A. (1988). Typing first course (5th ed.). McGraw-Hill Book Company.
Chicago Style (17th ed.) CitationDrummond, Archie. Typing First Course. 5th ed. London: McGraw-Hill Book Company, 1988.
ציטוט MLADrummond, Archie. Typing First Course. 5th ed. McGraw-Hill Book Company, 1988.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.