Cerami, Charles A., author
Prentice-Hall, 1957
Buku Teks
Pierce, Conway, author
W H Freeman, 1965
Buku Teks
Hammond, W. Rogers (William Rogers), 1920-1990, author
Prentice-Hall, 1961
Buku Teks
Mina, Eli, author
American Management Association, 2009
eBooks
Alcosser, Edward, author
Hayden Book Company, 1967
Buku Teks