Ritchie, R. 1. (1849). The farm engineer: A treatise on barn machinery, particularly on the application of steam and other motive powers to the thrashing machine. Blackie.
Chicago-Zitierstil (17. Ausg.)Ritchie, Robert 1795/1871. The Farm Engineer: A Treatise on Barn Machinery, Particularly on the Application of Steam and Other Motive Powers to the Thrashing Machine. Glasgow: Blackie, 1849.
MLA-Zitierstil (9. Ausg.)Ritchie, Robert 1795/1871. The Farm Engineer: A Treatise on Barn Machinery, Particularly on the Application of Steam and Other Motive Powers to the Thrashing Machine. Blackie, 1849.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.