Shen, Zhenjiang
Springer, 2012
eBooks
edited by Juliana A. Maantay, Sara McLafferty.
Springer, 2011
Buku Teks
Camp, William G.
Delmar, 1997
Buku Teks SO
Chruden, Herbert J.
South-Western, 1984
Buku Referensi
Gomez-Mejia, Luis R.
Prentice-Hall, 1995
Buku Teks SO