Lele, R.D., author
Tata McGraw-Hill, 1993
Buku Teks
Lytel, Allan, author
D.B. Taraporevala Sons, 1969
Buku Teks
Sanders, Donald H., author
McGraw-Hill, 1977
Buku Teks
Sandera, Donald H., author
McGraw-Hill, 1985
Buku Teks
edited by Traub, Joseph F.,
William Kaufmann, 1985
Buku Teks