Laird, W. (1850). The export coal trade of Liverpool: A letter to Thomas Littledale, Esq., Chairman of the Liverpool Dock Trust (2nd ed.). [s.n.].
Chicago-Zitierstil (17. Ausg.)Laird, William. The Export Coal Trade of Liverpool: A Letter to Thomas Littledale, Esq., Chairman of the Liverpool Dock Trust. 2nd ed. S.l: [s.n.], 1850.
MLA-Zitierstil (9. Ausg.)Laird, William. The Export Coal Trade of Liverpool: A Letter to Thomas Littledale, Esq., Chairman of the Liverpool Dock Trust. 2nd ed. [s.n.], 1850.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.