Levin, Jack
Harper Collins, 1991
Buku Teks
McCormick, Thomas Carson, 1892-
McGraw-Hill, 1941
Buku Teks
Healey, Joseph F., 1945-
Cengage Learning, 2015
Buku Teks
Healey, Joseph F., 1945-
Wadsworth, 1996
Buku Teks
Healey, Joseph F., 1945-
Wadsworth and Cengage Learning, 2012
Buku Teks