Womack, J. P. (1990). The Machine that Changed the World. Rawson Associates.
Cita Chicago (17th ed.)Womack, James P. The Machine That Changed the World. Rawson Associates, 1990.
Cita MLA (9th ed.)Womack, James P. The Machine That Changed the World. Rawson Associates, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.