Ryan, J. (1817). The appeal of James Ryan, director of mines: To proprietors of collieries, and men of humanity. [s.n.].
Chicago-Zitierstil (17. Ausg.)Ryan, James. The Appeal of James Ryan, Director of Mines: To Proprietors of Collieries, and Men of Humanity. S.l: [s.n.], 1817.
MLA-Zitierstil (9. Ausg.)Ryan, James. The Appeal of James Ryan, Director of Mines: To Proprietors of Collieries, and Men of Humanity. [s.n.], 1817.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.