The legal environment of business / Robert N. Corley, Robert L. Black, O. Lee Reed. Corley, Robert Neil. Black, Robert L., joint author. Reed, O. Lee (Omer Lee), joint author. Trade regulation United States. KF1600 .C6 1981 346.7307 COL Includes index. New York : McGraw-Hill, c1981. c1981. 1981 Text xxiii, 614 p. ; eng United States.