Lytel, Allan, author
Howard W. Sams, 1974
Buku Teks
Sanders, Donald H., author
McGraw-Hill, 1977
Buku Teks
Stair, Ralph M., Jr., author
Irwin, 1986
Buku Teks
edited by Joseph F. Traub
William Kaufmann, 1985
Buku Teks
Adkinson, Leon
McGraw-Hill, 1973
Buku Teks