Womack, J. P. (1990). The Machine that Changed the World. Rawson Associates.
Chicago-čujuhus (17. p.)Womack, James P. The Machine That Changed the World. Rawson Associates, 1990.
MLA-čujuhus (9. p.)Womack, James P. The Machine That Changed the World. Rawson Associates, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.