Fraleigh, John B.
Addison-Wesley, 1998
Buku Teks
Fraleigh, John B.
Addison-Wesley Publishing Co., 1994
Buku Teks
Hillman, Abraham P.
PW Publishing Company, 1994
Buku Teks
Ayres, Frank, 1901-1994, author
McGraw-Hill, 1965
Buku Teks
Hall, James E., author
Brooks/Cole, 1971
Buku Teks