Barnes, Ralph M. (Ralph Mosser), author
John Wiley & Sons, 1961
Buku Teks
Hansen, Bertrand L., author
Prentice-Hall, 1960
Buku Teks
Cyert, Richard M., author
Prentice-Hall, 1962
Buku Teks
Guy, Dan M., author
John Wiley & Sons, 1994
Buku Teks
Guy, Dan M., author
John Wiley & Sons, 1981
Buku Teks