McKeague, Charles P., 1946-, author
Brooks/Cole Cengage Learning, 2012
Buku Teks
Mewborn, Ancel C., author
Addison-Wesley, 1969
Buku Teks
White, Myron R.
Allyn and Bacon, inc., 1968
Buku Teks
Allendoerfer, Carl B., author
McGraw-Hill , 1967
Buku Teks
Fraleigh, John B.
Addison-Wesley, 1995
Buku Teks