Nester, W. R. (2011). From mountain man to millionaire: The bold and dashing life of Robert Campbell (Rev. and expanded ed.). University of Missouri Press.
Dyfyniad Arddull ChicagoNester, William R. From Mountain Man to Millionaire: The Bold and Dashing Life of Robert Campbell. Rev. and expanded ed. Columbia, Mo.: University of Missouri Press, 2011.
Dyfyniad MLANester, William R. From Mountain Man to Millionaire: The Bold and Dashing Life of Robert Campbell. Rev. and expanded ed. University of Missouri Press, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.