Apel, John R., author
Academic Press, 1987
Buku Teks
Anderson, Franz E., author
Burgess Publishing, 1979
Buku Teks
Duxbury, Alison B.
McGraw-Hill, 2002
Buku Teks
Stowe, Keith S., 1943-
John Wiley & Sons, 1979
Buku Teks
Thurman, Harold V.
Charles E. Merrill Publishing Company, 1975
Buku Teks