(1850). Documents relating to the manufacture of iron in Pennsylvania: Published on behalf of the Convention of Iron Masters, which met in Philadelphia, on the twentieth of December, 1849 ([Mikrofilm-Ausg.].). General Committee.
Chicago-Zitierstil (17. Ausg.)Documents Relating to the Manufacture of Iron in Pennsylvania: Published on Behalf of the Convention of Iron Masters, Which Met in Philadelphia, on the Twentieth of December, 1849. [Mikrofilm-Ausg.]. Philadelphia: General Committee, 1850.
MLA-Zitierstil (9. Ausg.)Documents Relating to the Manufacture of Iron in Pennsylvania: Published on Behalf of the Convention of Iron Masters, Which Met in Philadelphia, on the Twentieth of December, 1849. [Mikrofilm-Ausg.]. General Committee, 1850.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.