Cita APA (7th ed.)

Richard, P., & Fitzgerald, J. (2009). Introduction to AutoCAD 2009: A modern perspective. Pearson Education/Prentice Hall.

Cita Chicago (17th ed.)

Richard, Paul, i Jim Fitzgerald. Introduction to AutoCAD 2009: A Modern Perspective. Upper Saddle River, N.J: Pearson Education/Prentice Hall, 2009.

Cita MLA (8th ed.)

Richard, Paul, i Jim Fitzgerald. Introduction to AutoCAD 2009: A Modern Perspective. Pearson Education/Prentice Hall, 2009.