Dyfyniad APA

Swineford, A. P. (1871). Swineford's history of the Lake Superior iron district, its mines and furnaces (2d ed.). Mining Journal Office.

Dyfyniad Arddull Chicago

Swineford, A. P. Swineford's History of the Lake Superior Iron District, Its Mines and Furnaces. 2d ed. Marquette: Mining Journal Office, 1871.

Dyfyniad MLA

Swineford, A. P. Swineford's History of the Lake Superior Iron District, Its Mines and Furnaces. 2d ed. Mining Journal Office, 1871.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.