Broehl, W. G. (1959). Precision valley: The machine tool companies of Springfield, Vermont ; Jones and Lamson Machine Company, Fellows Gear Shaper Company, Bryant Chucking Grinder Company. Prentice-Hall.
Chicago-Zitierstil (17. Ausg.)Broehl, Wayne G. Precision Valley: The Machine Tool Companies of Springfield, Vermont ; Jones and Lamson Machine Company, Fellows Gear Shaper Company, Bryant Chucking Grinder Company. Englewood Cliffs, NJ: Prentice-Hall, 1959.
MLA-Zitierstil (9. Ausg.)Broehl, Wayne G. Precision Valley: The Machine Tool Companies of Springfield, Vermont ; Jones and Lamson Machine Company, Fellows Gear Shaper Company, Bryant Chucking Grinder Company. Prentice-Hall, 1959.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.