Lytel, Allan, author
D.B. Taraporevala Sons, 1969
Buku Teks
Lytel, Allan, author
Howard W. Sams, 1974
Buku Teks
Stair, Ralph M., Jr., author
Irwin, 1986
Buku Teks
Adkinson, Leon
McGraw-Hill, 1973
Buku Teks
edited by Traub, Joseph F.,
William Kaufmann, 1985
Buku Teks