Gorman, Paul
Kogan Page, 1998
Buku Teks
Miner, John B., author
W.B. Saunders, 1975
Buku Teks
Gomez-Mejia, Luis R., author
Prentice-Hall, 1998
Buku Teks
Bohlander, George W., author
Thomson, 2004
Buku Teks
Hunsaker, Phillip L., author
A Touchstone Book, 1986
Buku Teks