Haynes, W. Warren (William Warren), 1921-1972
Prentice-Hall, 1969
Buku Teks
Ireland, R. Duane
South Western Cengage Learning, 2013
Buku Teks
David, Fred R.
Prentice-Hall, 2003
Buku Teks
David, Fred R.
Pearson, 2009
Buku Teks
Hitt, Michael A.
Thomson, South-Western, 2007
Buku Teks