Cita APA (7th ed.)

GIACHINO, J., & BEUKEMA, H. J. (1972). Engineering technical: Drafting and graphics.--ed.3. American Technical Society.

Cita Chicago (17th ed.)

GIACHINO, J.W, i Henry J. BEUKEMA. Engineering Technical: Drafting and Graphics.--ed.3. Chicago: American Technical Society, 1972.

Cita MLA (9th ed.)

GIACHINO, J.W, i Henry J. BEUKEMA. Engineering Technical: Drafting and Graphics.--ed.3. American Technical Society, 1972.