Cita APA (7th ed.)

(2001). Inclined plane, wedge & screw. Cambridge Educational.

Cita Chicago (17th ed.)

Inclined Plane, Wedge & Screw. Monmouth Junction,NJ: Cambridge Educational, 2001.

Cita MLA (8th ed.)

Inclined Plane, Wedge & Screw. Cambridge Educational, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.