McMurry, John, author
Prentice-Hall, 2010
Buku Teks
Smith, Janice G., author
McGraw-Hill, 2015
Buku Teks
Ouellette, Robert J., author
Prentice-Hall, 1997
Buku Teks
McMurry, John, author
Prentice-Hall, 1992
Buku Teks
Stoker, H. Stephen, author
Allyn and Bacon, 1991
Buku Teks