Breck, S. (1818). Sketch of the internal improvements already made by Pennsylvania: With observations upon her physical and fiscal means for their extension; particularly as they have reference to the future growth and prosperity of Philadelphia. J. Maxwell, Printer.
Čikaški stil citiranja (17. izdanje)Breck, Samuel. Sketch of the Internal Improvements Already Made by Pennsylvania: With Observations upon Her Physical and Fiscal Means for Their Extension; Particularly as They Have Reference to the Future Growth and Prosperity of Philadelphia. Philadelphia: J. Maxwell, Printer, 1818.
MLA način citiranja (8. izdanje)Breck, Samuel. Sketch of the Internal Improvements Already Made by Pennsylvania: With Observations upon Her Physical and Fiscal Means for Their Extension; Particularly as They Have Reference to the Future Growth and Prosperity of Philadelphia. J. Maxwell, Printer, 1818.