Cita APA (7th ed.)

Beakley, G. C. (1982). Electronic drafting. Bobbs-Merrill Educational Pub.

Cita Chicago (17th ed.)

Beakley, George C. Electronic Drafting. Indianapolis: Bobbs-Merrill Educational Pub, 1982.

Cita MLA (9th ed.)

Beakley, George C. Electronic Drafting. Bobbs-Merrill Educational Pub, 1982.