Drucker, Peter F. (Peter Ferdinand), 1909-2005, author
Harper & Brothers, 1959
Buku Teks
Ferriss, Hugh, author
Dover Publications, 2005
Buku Teks
Urwick, Lyndall F., author
Nisbet, 1933
Buku Teks
Thompson, Matthew, author
[RIBA , ], 2003
eBooks
New York: W.W.Norton & Company, 1988,
Buku Referensi