Anderson, Ronald A.
Business law/Ronald A. Anderson, Walter A. Kumpf
South-Western Publishing Co., 1972
 Buku Teks
Anderson, Ronald A.
Business law/ Ronald A. Anderson and Walter A. Kumpf
South-Western Publishing Co, 1961
 Buku Teks
Business law : principles and cases
by Harold F. Lusk ... [and others]
Richard D. Irwin, 1978
 Buku Teks
Wyat, John W.
Business law Principles and cases
McGraw-Hill, 1963
 Buku Teks
Donnell, John D.
Business law: principles and cases
Richard D. Irwin, 1978
 Buku Teks