Cita APA (7th ed.)

Lockhart, S. D. (1994). A tutorial guide to AUTOCAD: Release 12. Addison-Wesley.

Cita Chicago (17th ed.)

Lockhart, Shawna D. A Tutorial Guide to AUTOCAD: Release 12. Reading: Addison-Wesley, 1994.

Cita MLA (9th ed.)

Lockhart, Shawna D. A Tutorial Guide to AUTOCAD: Release 12. Addison-Wesley, 1994.