Holzhueter, J. O. (1974). Madeline Island & the Chequamegon region. State Historical Society of Wisconsin.
Dyfyniad Arddull ChicagoHolzhueter, John O. Madeline Island & the Chequamegon Region. [Madison]: State Historical Society of Wisconsin, 1974.
Dyfyniad MLAHolzhueter, John O. Madeline Island & the Chequamegon Region. State Historical Society of Wisconsin, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.