KLEPPE v. DELTA MINING, INC.. The Oyez Project at IIT Chicago-Kent College of Law. 30 April 2013. <http://www.oyez.org/cases/1970-1979/1975/1975_74_521>.
KLEPPE v. DELTA MINING, INC., The Oyez Project at IIT Chicago-Kent College of Law, http://www.oyez.org/cases/1970-1979/1975/1975_74_521 (last visited April 30, 2013).
"KLEPPE v. DELTA MINING, INC.," The Oyez Project at IIT Chicago-Kent College of Law, accessed April 30, 2013, http://www.oyez.org/cases/1970-1979/1975/1975_74_521.