Womack, J. P. (1990). The Machine that Changed the World. Rawson Associates.
Čikaški stil citiranja (17. izdanje)Womack, James P. The Machine That Changed the World. Rawson Associates, 1990.
MLA način citiranja (9. izdanje)Womack, James P. The Machine That Changed the World. Rawson Associates, 1990.
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