(2004). Mavis Beacon teaches typing!: A brief course / Lawrence W. Erickson.
Cita Chicago (17th ed.)Mavis Beacon Teaches Typing!: A Brief Course / Lawrence W. Erickson. 2004.
Cita MLA (9th ed.)Mavis Beacon Teaches Typing!: A Brief Course / Lawrence W. Erickson. 2004.
Atenció: Aquestes cites poden no estar 100% correctes.