Cita APA (7th ed.)

(1990). Easy autocad: A tutorial approach (2nd.). McGraw-Hill publishing company.

Cita Chicago (17th ed.)

Easy Autocad: A Tutorial Approach. 2nd. new york: McGraw-Hill publishing company, 1990.

Cita MLA (9th ed.)

Easy Autocad: A Tutorial Approach. 2nd. McGraw-Hill publishing company, 1990.