Hurley, Morris E.
Prentice-Hall, 1956
Buku Teks
Smith, George Albert, author
Richard D. Irwin, 1960
Buku Teks
Griffin, Ricky W., author
Prentice-Hall, 2002
Buku Teks
Urwick, Lyndall F., author
Harper & Brothers, 1960
Buku Teks
Ebert, Ronald J., author
Prentice-Hall, 1998
Buku Teks