Cita APA (7th ed.)
Drummond, A., & Coles-Mogford, A. (1988). Typing, first course (5th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Drummond, Archie, i Anne Coles-Mogford. Typing, First Course. 5th ed. London ; New York: McGraw-Hill, 1988.
Cita MLA (9th ed.)
Drummond, Archie, i Anne Coles-Mogford. Typing, First Course. 5th ed. McGraw-Hill, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.